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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

Browse Source 
Conflicts:
	drivers/net/wireless/iwlwifi/pcie/trans.c
	include/linux/inetdevice.h

The inetdevice.h conflict involves moving the IPV4_DEVCONF values
into a UAPI header, overlapping additions of some new entries.

The iwlwifi conflict is a context overlap.

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2013-08-26 16:37:08 -04:00
commit b05930f5d1
119 changed files with 856 additions and 450 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
Documentation/kernel-parameters.txt
View File

@ -2953,7 +2953,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
improve throughput, but will also increase the
amount of memory reserved for use by the client.
swapaccount[=0|1]
swapaccount=[0|1]
[KNL] Enable accounting of swap in memory resource
controller if no parameter or 1 is given or disable
it if 0 is given (See Documentation/cgroups/memory.txt)

10
MAINTAINERS
View File

@ -5884,7 +5884,7 @@ F: drivers/i2c/busses/i2c-omap.c
F: include/linux/i2c-omap.h
OMAP DEVICE TREE SUPPORT
M: Benoît Cousson <b-cousson@ti.com>
M: Benoît Cousson <bcousson@baylibre.com>
M: Tony Lindgren <tony@atomide.com>
L: linux-omap@vger.kernel.org
L: devicetree@vger.kernel.org
@ -5964,14 +5964,14 @@ S: Maintained
F: drivers/char/hw_random/omap-rng.c
OMAP HWMOD SUPPORT
M: Benoît Cousson <b-cousson@ti.com>
M: Benoît Cousson <bcousson@baylibre.com>
M: Paul Walmsley <paul@pwsan.com>
L: linux-omap@vger.kernel.org
S: Maintained
F: arch/arm/mach-omap2/omap_hwmod.*
OMAP HWMOD DATA FOR OMAP4-BASED DEVICES
M: Benoît Cousson <b-cousson@ti.com>
M: Benoît Cousson <bcousson@baylibre.com>
L: linux-omap@vger.kernel.org
S: Maintained
F: arch/arm/mach-omap2/omap_hwmod_44xx_data.c
@ -7367,7 +7367,6 @@ F: drivers/net/ethernet/sfc/
SGI GRU DRIVER
M: Dimitri Sivanich <sivanich@sgi.com>
M: Robin Holt <holt@sgi.com>
S: Maintained
F: drivers/misc/sgi-gru/
@ -7387,7 +7386,8 @@ S: Maintained for 2.6.
F: Documentation/sgi-visws.txt
SGI XP/XPC/XPNET DRIVER
M: Robin Holt <holt@sgi.com>
M: Cliff Whickman <cpw@sgi.com>
M: Robin Holt <robinmholt@gmail.com>
S: Maintained
F: drivers/misc/sgi-xp/

2
Makefile
View File

@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 11
SUBLEVEL = 0
EXTRAVERSION = -rc5
EXTRAVERSION = -rc6
NAME = Linux for Workgroups
# *DOCUMENTATION*

4
arch/arm/boot/dts/at91sam9n12ek.dts
View File

@ -14,11 +14,11 @@
compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
chosen {
bootargs = "mem=128M console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
};
memory {
reg = <0x20000000 0x10000000>;
reg = <0x20000000 0x8000000>;
};
clocks {

5
arch/arm/boot/dts/at91sam9x5ek.dtsi
View File

@ -94,8 +94,9 @@
usb0: ohci@00600000 {
status = "okay";
num-ports = <2>;
atmel,vbus-gpio = <&pioD 19 GPIO_ACTIVE_LOW
num-ports = <3>;
atmel,vbus-gpio = <0 /* &pioD 18 GPIO_ACTIVE_LOW *//* Activate to have access to port A */
&pioD 19 GPIO_ACTIVE_LOW
&pioD 20 GPIO_ACTIVE_LOW
>;
};

2
arch/arm/boot/dts/tegra20-seaboard.dts
View File

@ -830,6 +830,8 @@
regulator-max-microvolt = <5000000>;
enable-active-high;
gpio = <&gpio 24 0>; /* PD0 */
regulator-always-on;
regulator-boot-on;
};
};

2
arch/arm/boot/dts/tegra20-trimslice.dts
View File

@ -412,6 +412,8 @@
regulator-max-microvolt = <5000000>;
enable-active-high;
gpio = <&gpio 170 0>; /* PV2 */
regulator-always-on;
regulator-boot-on;
};
};

4
arch/arm/boot/dts/tegra20-whistler.dts
View File

@ -588,6 +588,8 @@
regulator-max-microvolt = <5000000>;
enable-active-high;
gpio = <&tca6416 0 0>; /* GPIO_PMU0 */
regulator-always-on;
regulator-boot-on;
};
vbus3_reg: regulator@3 {
@ -598,6 +600,8 @@
regulator-max-microvolt = <5000000>;
enable-active-high;
gpio = <&tca6416 1 0>; /* GPIO_PMU1 */
regulator-always-on;
regulator-boot-on;
};
};

3
arch/arm/include/asm/smp_plat.h
View File

@ -88,4 +88,7 @@ static inline u32 mpidr_hash_size(void)
{
return 1 << mpidr_hash.bits;
}
extern int platform_can_cpu_hotplug(void);
#endif

51
arch/arm/include/asm/spinlock.h
View File

@ -107,7 +107,7 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
" subs %1, %0, %0, ror #16\n"
" addeq %0, %0, %4\n"
" strexeq %2, %0, [%3]"
: "=&r" (slock), "=&r" (contended), "=r" (res)
: "=&r" (slock), "=&r" (contended), "=&r" (res)
: "r" (&lock->slock), "I" (1 << TICKET_SHIFT)
: "cc");
} while (res);
@ -168,17 +168,20 @@ static inline void arch_write_lock(arch_rwlock_t *rw)
static inline int arch_write_trylock(arch_rwlock_t *rw)
{
unsigned long tmp;
unsigned long contended, res;
__asm__ __volatile__(
" ldrex %0, [%1]\n"
" teq %0, #0\n"
" strexeq %0, %2, [%1]"
: "=&r" (tmp)
: "r" (&rw->lock), "r" (0x80000000)
: "cc");
do {
__asm__ __volatile__(
" ldrex %0, [%2]\n"
" mov %1, #0\n"
" teq %0, #0\n"
" strexeq %1, %3, [%2]"
: "=&r" (contended), "=&r" (res)
: "r" (&rw->lock), "r" (0x80000000)
: "cc");
} while (res);
if (tmp == 0) {
if (!contended) {
smp_mb();
return 1;
} else {
@ -254,18 +257,26 @@ static inline void arch_read_unlock(arch_rwlock_t *rw)
static inline int arch_read_trylock(arch_rwlock_t *rw)
{
unsigned long tmp, tmp2 = 1;
unsigned long contended, res;
__asm__ __volatile__(
" ldrex %0, [%2]\n"
" adds %0, %0, #1\n"
" strexpl %1, %0, [%2]\n"
: "=&r" (tmp), "+r" (tmp2)
: "r" (&rw->lock)
: "cc");
do {
__asm__ __volatile__(
" ldrex %0, [%2]\n"
" mov %1, #0\n"
" adds %0, %0, #1\n"
" strexpl %1, %0, [%2]"
: "=&r" (contended), "=&r" (res)
: "r" (&rw->lock)
: "cc");
} while (res);
smp_mb();
return tmp2 == 0;
/* If the lock is negative, then it is already held for write. */
if (contended < 0x80000000) {
smp_mb();
return 1;
} else {
return 0;
}
}
/* read_can_lock - would read_trylock() succeed? */

3
arch/arm/kernel/entry-armv.S
View File

@ -357,7 +357,8 @@ ENDPROC(__pabt_svc)
.endm
.macro kuser_cmpxchg_check
#if !defined(CONFIG_CPU_32v6K) && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
#if !defined(CONFIG_CPU_32v6K) && defined(CONFIG_KUSER_HELPERS) && \
!defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
#ifndef CONFIG_MMU
#warning "NPTL on non MMU needs fixing"
#else

8
arch/arm/kernel/fiq.c
View File

@ -84,17 +84,13 @@ int show_fiq_list(struct seq_file *p, int prec)
void set_fiq_handler(void *start, unsigned int length)
{
#if defined(CONFIG_CPU_USE_DOMAINS)
void *base = (void *)0xffff0000;
#else
void *base = vectors_page;
#endif
unsigned offset = FIQ_OFFSET;
memcpy(base + offset, start, length);
if (!cache_is_vipt_nonaliasing())
flush_icache_range(base + offset, offset + length);
flush_icache_range(0xffff0000 + offset, 0xffff0000 + offset + length);
if (!vectors_high())
flush_icache_range(offset, offset + length);
}
int claim_fiq(struct fiq_handler *f)

20
arch/arm/kernel/machine_kexec.c
View File

@ -15,6 +15,7 @@
#include <asm/mmu_context.h>
#include <asm/cacheflush.h>
#include <asm/mach-types.h>
#include <asm/smp_plat.h>
#include <asm/system_misc.h>
extern const unsigned char relocate_new_kernel[];
@ -38,6 +39,14 @@ int machine_kexec_prepare(struct kimage *image)
__be32 header;
int i, err;
/*
* Validate that if the current HW supports SMP, then the SW supports
* and implements CPU hotplug for the current HW. If not, we won't be
* able to kexec reliably, so fail the prepare operation.
*/
if (num_possible_cpus() > 1 && !platform_can_cpu_hotplug())
return -EINVAL;
/*
* No segment at default ATAGs address. try to locate
* a dtb using magic.
@ -134,10 +143,13 @@ void machine_kexec(struct kimage *image)
unsigned long reboot_code_buffer_phys;
void *reboot_code_buffer;
if (num_online_cpus() > 1) {
pr_err("kexec: error: multiple CPUs still online\n");
return;
}
/*
* This can only happen if machine_shutdown() failed to disable some
* CPU, and that can only happen if the checks in
* machine_kexec_prepare() were not correct. If this fails, we can't
* reliably kexec anyway, so BUG_ON is appropriate.
*/
BUG_ON(num_online_cpus() > 1);
page_list = image->head & PAGE_MASK;

5
arch/arm/kernel/perf_event.c
View File

@ -56,7 +56,7 @@ armpmu_map_hw_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config)
int mapping;
if (config >= PERF_COUNT_HW_MAX)
return -ENOENT;
return -EINVAL;
mapping = (*event_map)[config];
return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping;
@ -258,6 +258,9 @@ validate_event(struct pmu_hw_events *hw_events,
struct arm_pmu *armpmu = to_arm_pmu(event->pmu);
struct pmu *leader_pmu = event->group_leader->pmu;
if (is_software_event(event))
return 1;
if (event->pmu != leader_pmu || event->state < PERF_EVENT_STATE_OFF)
return 1;

2
arch/arm/kernel/process.c
View File

@ -462,7 +462,7 @@ int in_gate_area_no_mm(unsigned long addr)
{
return in_gate_area(NULL, addr);
}
#define is_gate_vma(vma) ((vma) = &gate_vma)
#define is_gate_vma(vma) ((vma) == &gate_vma)
#else
#define is_gate_vma(vma) 0
#endif

10
arch/arm/kernel/smp.c
View File

@ -145,6 +145,16 @@ int boot_secondary(unsigned int cpu, struct task_struct *idle)
return -ENOSYS;
}
int platform_can_cpu_hotplug(void)
{
#ifdef CONFIG_HOTPLUG_CPU
if (smp_ops.cpu_kill)
return 1;
#endif
return 0;
}
#ifdef CONFIG_HOTPLUG_CPU
static void percpu_timer_stop(void);

26
arch/arm/kvm/coproc.c
View File

@ -146,7 +146,11 @@ static bool pm_fake(struct kvm_vcpu *vcpu,
#define access_pmintenclr pm_fake
/* Architected CP15 registers.
* Important: Must be sorted ascending by CRn, CRM, Op1, Op2
* CRn denotes the primary register number, but is copied to the CRm in the
* user space API for 64-bit register access in line with the terminology used
* in the ARM ARM.
* Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit
* registers preceding 32-bit ones.
*/
static const struct coproc_reg cp15_regs[] = {
/* CSSELR: swapped by interrupt.S. */
@ -154,8 +158,8 @@ static const struct coproc_reg cp15_regs[] = {
NULL, reset_unknown, c0_CSSELR },
/* TTBR0/TTBR1: swapped by interrupt.S. */
{ CRm( 2), Op1( 0), is64, NULL, reset_unknown64, c2_TTBR0 },
{ CRm( 2), Op1( 1), is64, NULL, reset_unknown64, c2_TTBR1 },
{ CRm64( 2), Op1( 0), is64, NULL, reset_unknown64, c2_TTBR0 },
{ CRm64( 2), Op1( 1), is64, NULL, reset_unknown64, c2_TTBR1 },
/* TTBCR: swapped by interrupt.S. */
{ CRn( 2), CRm( 0), Op1( 0), Op2( 2), is32,
@ -182,7 +186,7 @@ static const struct coproc_reg cp15_regs[] = {
NULL, reset_unknown, c6_IFAR },
/* PAR swapped by interrupt.S */
{ CRn( 7), Op1( 0), is64, NULL, reset_unknown64, c7_PAR },
{ CRm64( 7), Op1( 0), is64, NULL, reset_unknown64, c7_PAR },
/*
* DC{C,I,CI}SW operations:
@ -399,12 +403,13 @@ static bool index_to_params(u64 id, struct coproc_params *params)
| KVM_REG_ARM_OPC1_MASK))
return false;
params->is_64bit = true;
params->CRm = ((id & KVM_REG_ARM_CRM_MASK)
/* CRm to CRn: see cp15_to_index for details */
params->CRn = ((id & KVM_REG_ARM_CRM_MASK)
>> KVM_REG_ARM_CRM_SHIFT);
params->Op1 = ((id & KVM_REG_ARM_OPC1_MASK)
>> KVM_REG_ARM_OPC1_SHIFT);
params->Op2 = 0;
params->CRn = 0;
params->CRm = 0;
return true;
default:
return false;
@ -898,7 +903,14 @@ static u64 cp15_to_index(const struct coproc_reg *reg)
if (reg->is_64) {
val |= KVM_REG_SIZE_U64;
val |= (reg->Op1 << KVM_REG_ARM_OPC1_SHIFT);
val |= (reg->CRm << KVM_REG_ARM_CRM_SHIFT);
/*
* CRn always denotes the primary coproc. reg. nr. for the
* in-kernel representation, but the user space API uses the
* CRm for the encoding, because it is modelled after the
* MRRC/MCRR instructions: see the ARM ARM rev. c page
* B3-1445
*/
val |= (reg->CRn << KVM_REG_ARM_CRM_SHIFT);
} else {
val |= KVM_REG_SIZE_U32;
val |= (reg->Op1 << KVM_REG_ARM_OPC1_SHIFT);

3
arch/arm/kvm/coproc.h
View File

@ -135,6 +135,8 @@ static inline int cmp_reg(const struct coproc_reg *i1,
return -1;
if (i1->CRn != i2->CRn)
return i1->CRn - i2->CRn;
if (i1->is_64 != i2->is_64)
return i2->is_64 - i1->is_64;
if (i1->CRm != i2->CRm)
return i1->CRm - i2->CRm;
if (i1->Op1 != i2->Op1)
@ -145,6 +147,7 @@ static inline int cmp_reg(const struct coproc_reg *i1,
#define CRn(_x) .CRn = _x
#define CRm(_x) .CRm = _x
#define CRm64(_x) .CRn = _x, .CRm = 0
#define Op1(_x) .Op1 = _x
#define Op2(_x) .Op2 = _x
#define is64 .is_64 = true

6
arch/arm/kvm/coproc_a15.c
View File

@ -114,7 +114,11 @@ static bool access_l2ectlr(struct kvm_vcpu *vcpu,
/*
* A15-specific CP15 registers.
* Important: Must be sorted ascending by CRn, CRM, Op1, Op2
* CRn denotes the primary register number, but is copied to the CRm in the
* user space API for 64-bit register access in line with the terminology used
* in the ARM ARM.
* Important: Must be sorted ascending by CRn, CRM, Op1, Op2 and with 64-bit
* registers preceding 32-bit ones.
*/
static const struct coproc_reg a15_regs[] = {
/* MPIDR: we use VMPIDR for guest access. */

3
arch/arm/kvm/mmio.c
View File

@ -63,7 +63,8 @@ int kvm_handle_mmio_return(struct kvm_vcpu *vcpu, struct kvm_run *run)
static int decode_hsr(struct kvm_vcpu *vcpu, phys_addr_t fault_ipa,
struct kvm_exit_mmio *mmio)
{
unsigned long rt, len;
unsigned long rt;
int len;
bool is_write, sign_extend;
if (kvm_vcpu_dabt_isextabt(vcpu)) {

36
arch/arm/kvm/mmu.c
View File

@ -85,6 +85,12 @@ static void *mmu_memory_cache_alloc(struct kvm_mmu_memory_cache *mc)
return p;
}
static bool page_empty(void *ptr)
{
struct page *ptr_page = virt_to_page(ptr);
return page_count(ptr_page) == 1;
}
static void clear_pud_entry(struct kvm *kvm, pud_t *pud, phys_addr_t addr)
{
pmd_t *pmd_table = pmd_offset(pud, 0);
@ -103,12 +109,6 @@ static void clear_pmd_entry(struct kvm *kvm, pmd_t *pmd, phys_addr_t addr)
put_page(virt_to_page(pmd));
}
static bool pmd_empty(pmd_t *pmd)
{
struct page *pmd_page = virt_to_page(pmd);
return page_count(pmd_page) == 1;
}
static void clear_pte_entry(struct kvm *kvm, pte_t *pte, phys_addr_t addr)
{
if (pte_present(*pte)) {
@ -118,12 +118,6 @@ static void clear_pte_entry(struct kvm *kvm, pte_t *pte, phys_addr_t addr)
}
}
static bool pte_empty(pte_t *pte)
{
struct page *pte_page = virt_to_page(pte);
return page_count(pte_page) == 1;
}
static void unmap_range(struct kvm *kvm, pgd_t *pgdp,
unsigned long long start, u64 size)
{
@ -132,37 +126,37 @@ static void unmap_range(struct kvm *kvm, pgd_t *pgdp,
pmd_t *pmd;
pte_t *pte;
unsigned long long addr = start, end = start + size;
u64 range;
u64 next;
while (addr < end) {
pgd = pgdp + pgd_index(addr);
pud = pud_offset(pgd, addr);
if (pud_none(*pud)) {
addr += PUD_SIZE;
addr = pud_addr_end(addr, end);
continue;
}
pmd = pmd_offset(pud, addr);
if (pmd_none(*pmd)) {
addr += PMD_SIZE;
addr = pmd_addr_end(addr, end);
continue;
}
pte = pte_offset_kernel(pmd, addr);
clear_pte_entry(kvm, pte, addr);
range = PAGE_SIZE;
next = addr + PAGE_SIZE;
/* If we emptied the pte, walk back up the ladder */
if (pte_empty(pte)) {
if (page_empty(pte)) {
clear_pmd_entry(kvm, pmd, addr);
range = PMD_SIZE;
if (pmd_empty(pmd)) {
next = pmd_addr_end(addr, end);
if (page_empty(pmd) && !page_empty(pud)) {
clear_pud_entry(kvm, pud, addr);
range = PUD_SIZE;
next = pud_addr_end(addr, end);
}
}
addr += range;
addr = next;
}
}

2
arch/arm/mach-at91/at91sam9x5.c
View File

@ -227,6 +227,8 @@ static struct clk_lookup periph_clocks_lookups[] = {
CLKDEV_CON_DEV_ID("usart", "f8020000.serial", &usart1_clk),
CLKDEV_CON_DEV_ID("usart", "f8024000.serial", &usart2_clk),
CLKDEV_CON_DEV_ID("usart", "f8028000.serial", &usart3_clk),
CLKDEV_CON_DEV_ID("usart", "f8040000.serial", &uart0_clk),
CLKDEV_CON_DEV_ID("usart", "f8044000.serial", &uart1_clk),
CLKDEV_CON_DEV_ID("t0_clk", "f8008000.timer", &tcb0_clk),
CLKDEV_CON_DEV_ID("t0_clk", "f800c000.timer", &tcb0_clk),
CLKDEV_CON_DEV_ID("mci_clk", "f0008000.mmc", &mmc0_clk),

1
arch/arm/mach-davinci/board-dm355-leopard.c
View File

@ -75,6 +75,7 @@ static struct davinci_nand_pdata davinci_nand_data = {
.parts = davinci_nand_partitions,
.nr_parts = ARRAY_SIZE(davinci_nand_partitions),
.ecc_mode = NAND_ECC_HW_SYNDROME,
.ecc_bits = 4,
.bbt_options = NAND_BBT_USE_FLASH,
};

1
arch/arm/mach-davinci/board-dm644x-evm.c
View File

@ -153,6 +153,7 @@ static struct davinci_nand_pdata davinci_evm_nandflash_data = {
.parts = davinci_evm_nandflash_partition,
.nr_parts = ARRAY_SIZE(davinci_evm_nandflash_partition),
.ecc_mode = NAND_ECC_HW,
.ecc_bits = 1,
.bbt_options = NAND_BBT_USE_FLASH,
.timing = &davinci_evm_nandflash_timing,
};

1
arch/arm/mach-davinci/board-dm646x-evm.c
View File

@ -90,6 +90,7 @@ static struct davinci_nand_pdata davinci_nand_data = {
.parts = davinci_nand_partitions,
.nr_parts = ARRAY_SIZE(davinci_nand_partitions),
.ecc_mode = NAND_ECC_HW,
.ecc_bits = 1,
.options = 0,
};

1
arch/arm/mach-davinci/board-neuros-osd2.c
View File

@ -88,6 +88,7 @@ static struct davinci_nand_pdata davinci_ntosd2_nandflash_data = {
.parts = davinci_ntosd2_nandflash_partition,
.nr_parts = ARRAY_SIZE(davinci_ntosd2_nandflash_partition),
.ecc_mode = NAND_ECC_HW,
.ecc_bits = 1,
.bbt_options = NAND_BBT_USE_FLASH,
};

4
arch/arm/mach-omap2/board-n8x0.c
View File

@ -122,11 +122,7 @@ static struct musb_hdrc_config musb_config = {
};
static struct musb_hdrc_platform_data tusb_data = {
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
.mode = MUSB_OTG,
#else
.mode = MUSB_HOST,
#endif
.set_power = tusb_set_power,
.min_power = 25, /* x2 = 50 mA drawn from VBUS as peripheral */
.power = 100, /* Max 100 mA VBUS for host mode */

2
arch/arm/mach-omap2/board-rx51.c
View File

@ -85,7 +85,7 @@ static struct omap_board_mux board_mux[] __initdata = {
static struct omap_musb_board_data musb_board_data = {
.interface_type = MUSB_INTERFACE_ULPI,
.mode = MUSB_PERIPHERAL,
.mode = MUSB_OTG,
.power = 0,
};

5
arch/arm/mach-omap2/usb-musb.c
View File

@ -38,11 +38,8 @@ static struct musb_hdrc_config musb_config = {
};
static struct musb_hdrc_platform_data musb_plat = {
#ifdef CONFIG_USB_GADGET_MUSB_HDRC
.mode = MUSB_OTG,
#else
.mode = MUSB_HOST,
#endif
/* .clock is set dynamically */
.config = &musb_config,

5
arch/arm/plat-samsung/init.c
View File

@ -55,12 +55,13 @@ void __init s3c_init_cpu(unsigned long idcode,
printk("CPU %s (id 0x%08lx)\n", cpu->name, idcode);
if (cpu->map_io == NULL || cpu->init == NULL) {
if (cpu->init == NULL) {
printk(KERN_ERR "CPU %s support not enabled\n", cpu->name);
panic("Unsupported Samsung CPU");
}
cpu->map_io();
if (cpu->map_io)
cpu->map_io();
}
/* s3c24xx_init_clocks

1
arch/arm/xen/enlighten.c
View File

@ -170,6 +170,7 @@ static void __init xen_percpu_init(void *unused)
per_cpu(xen_vcpu, cpu) = vcpup;
enable_percpu_irq(xen_events_irq, 0);
put_cpu();
}
static void xen_restart(enum reboot_mode reboot_mode, const char *cmd)

17
arch/arm64/include/asm/kvm_asm.h
View File

@ -42,14 +42,15 @@
#define TPIDR_EL1 18 /* Thread ID, Privileged */
#define AMAIR_EL1 19 /* Aux Memory Attribute Indirection Register */
#define CNTKCTL_EL1 20 /* Timer Control Register (EL1) */
#define PAR_EL1 21 /* Physical Address Register */
/* 32bit specific registers. Keep them at the end of the range */
#define DACR32_EL2 21 /* Domain Access Control Register */
#define IFSR32_EL2 22 /* Instruction Fault Status Register */
#define FPEXC32_EL2 23 /* Floating-Point Exception Control Register */
#define DBGVCR32_EL2 24 /* Debug Vector Catch Register */
#define TEECR32_EL1 25 /* ThumbEE Configuration Register */
#define TEEHBR32_EL1 26 /* ThumbEE Handler Base Register */
#define NR_SYS_REGS 27
#define DACR32_EL2 22 /* Domain Access Control Register */
#define IFSR32_EL2 23 /* Instruction Fault Status Register */
#define FPEXC32_EL2 24 /* Floating-Point Exception Control Register */
#define DBGVCR32_EL2 25 /* Debug Vector Catch Register */
#define TEECR32_EL1 26 /* ThumbEE Configuration Register */
#define TEEHBR32_EL1 27 /* ThumbEE Handler Base Register */
#define NR_SYS_REGS 28
/* 32bit mapping */
#define c0_MPIDR (MPIDR_EL1 * 2) /* MultiProcessor ID Register */
@ -69,6 +70,8 @@
#define c5_AIFSR (AFSR1_EL1 * 2) /* Auxiliary Instr Fault Status R */
#define c6_DFAR (FAR_EL1 * 2) /* Data Fault Address Register */
#define c6_IFAR (c6_DFAR + 1) /* Instruction Fault Address Register */
#define c7_PAR (PAR_EL1 * 2) /* Physical Address Register */
#define c7_PAR_high (c7_PAR + 1) /* PAR top 32 bits */
#define c10_PRRR (MAIR_EL1 * 2) /* Primary Region Remap Register */
#define c10_NMRR (c10_PRRR + 1) /* Normal Memory Remap Register */
#define c12_VBAR (VBAR_EL1 * 2) /* Vector Base Address Register */

2
arch/arm64/include/asm/kvm_host.h
View File

@ -129,7 +129,7 @@ struct kvm_vcpu_arch {
struct kvm_mmu_memory_cache mmu_page_cache;
/* Target CPU and feature flags */
u32 target;
int target;
DECLARE_BITMAP(features, KVM_VCPU_MAX_FEATURES);
/* Detect first run of a vcpu */

10
arch/arm64/kernel/perf_event.c
View File

@ -107,7 +107,12 @@ armpmu_map_cache_event(const unsigned (*cache_map)
static int
armpmu_map_event(const unsigned (*event_map)[PERF_COUNT_HW_MAX], u64 config)
{
int mapping = (*event_map)[config];
int mapping;
if (config >= PERF_COUNT_HW_MAX)
return -EINVAL;
mapping = (*event_map)[config];
return mapping == HW_OP_UNSUPPORTED ? -ENOENT : mapping;
}
@ -317,6 +322,9 @@ validate_event(struct pmu_hw_events *hw_events,
struct hw_perf_event fake_event = event->hw;
struct pmu *leader_pmu = event->group_leader->pmu;
if (is_software_event(event))
return 1;
if (event->pmu != leader_pmu || event->state <= PERF_EVENT_STATE_OFF)
return 1;

13
arch/arm64/kvm/hyp.S
View File

@ -214,6 +214,7 @@ __kvm_hyp_code_start:
mrs x21, tpidr_el1
mrs x22, amair_el1
mrs x23, cntkctl_el1
mrs x24, par_el1
stp x4, x5, [x3]
stp x6, x7, [x3, #16]
@ -225,6 +226,7 @@ __kvm_hyp_code_start:
stp x18, x19, [x3, #112]
stp x20, x21, [x3, #128]
stp x22, x23, [x3, #144]
str x24, [x3, #160]
.endm
.macro restore_sysregs
@ -243,6 +245,7 @@ __kvm_hyp_code_start:
ldp x18, x19, [x3, #112]
ldp x20, x21, [x3, #128]
ldp x22, x23, [x3, #144]
ldr x24, [x3, #160]
msr vmpidr_el2, x4
msr csselr_el1, x5
@ -264,6 +267,7 @@ __kvm_hyp_code_start:
msr tpidr_el1, x21
msr amair_el1, x22
msr cntkctl_el1, x23
msr par_el1, x24
.endm
.macro skip_32bit_state tmp, target
@ -600,6 +604,8 @@ END(__kvm_vcpu_run)
// void __kvm_tlb_flush_vmid_ipa(struct kvm *kvm, phys_addr_t ipa);
ENTRY(__kvm_tlb_flush_vmid_ipa)
dsb ishst
kern_hyp_va x0
ldr x2, [x0, #KVM_VTTBR]
msr vttbr_el2, x2
@ -621,6 +627,7 @@ ENTRY(__kvm_tlb_flush_vmid_ipa)
ENDPROC(__kvm_tlb_flush_vmid_ipa)
ENTRY(__kvm_flush_vm_context)
dsb ishst
tlbi alle1is
ic ialluis
dsb sy
@ -753,6 +760,10 @@ el1_trap:
*/
tbnz x1, #7, 1f // S1PTW is set
/* Preserve PAR_EL1 */
mrs x3, par_el1
push x3, xzr
/*
* Permission fault, HPFAR_EL2 is invalid.
* Resolve the IPA the hard way using the guest VA.
@ -766,6 +777,8 @@ el1_trap:
/* Read result */
mrs x3, par_el1
pop x0, xzr // Restore PAR_EL1 from the stack
msr par_el1, x0
tbnz x3, #0, 3f // Bail out if we failed the translation
ubfx x3, x3, #12, #36 // Extract IPA
lsl x3, x3, #4 // and present it like HPFAR

3
arch/arm64/kvm/sys_regs.c
View File

@ -211,6 +211,9 @@ static const struct sys_reg_desc sys_reg_descs[] = {
/* FAR_EL1 */
{ Op0(0b11), Op1(0b000), CRn(0b0110), CRm(0b0000), Op2(0b000),
NULL, reset_unknown, FAR_EL1 },
/* PAR_EL1 */
{ Op0(0b11), Op1(0b000), CRn(0b0111), CRm(0b0100), Op2(0b000),
NULL, reset_unknown, PAR_EL1 },
/* PMINTENSET_EL1 */
{ Op0(0b11), Op1(0b000), CRn(0b1001), CRm(0b1110), Op2(0b001),

23
arch/m68k/emu/natfeat.c
View File

@ -18,9 +18,11 @@
#include <asm/machdep.h>
#include <asm/natfeat.h>
extern long nf_get_id2(const char *feature_name);
asm("\n"
" .global nf_get_id,nf_call\n"
"nf_get_id:\n"
" .global nf_get_id2,nf_call\n"
"nf_get_id2:\n"
" .short 0x7300\n"
" rts\n"
"nf_call:\n"
@ -29,12 +31,25 @@ asm("\n"
"1: moveq.l #0,%d0\n"
" rts\n"
" .section __ex_table,\"a\"\n"
" .long nf_get_id,1b\n"
" .long nf_get_id2,1b\n"
" .long nf_call,1b\n"
" .previous");
EXPORT_SYMBOL_GPL(nf_get_id);
EXPORT_SYMBOL_GPL(nf_call);
long nf_get_id(const char *feature_name)
{
/* feature_name may be in vmalloc()ed memory, so make a copy */
char name_copy[32];
size_t n;
n = strlcpy(name_copy, feature_name, sizeof(name_copy));
if (n >= sizeof(name_copy))
return 0;
return nf_get_id2(name_copy);
}
EXPORT_SYMBOL_GPL(nf_get_id);
void nfprint(const char *fmt, ...)
{
static char buf[256];

9
arch/m68k/include/asm/div64.h
View File

@ -15,16 +15,17 @@
unsigned long long n64; \
} __n; \
unsigned long __rem, __upper; \
unsigned long __base = (base); \
\
__n.n64 = (n); \
if ((__upper = __n.n32[0])) { \
asm ("divul.l %2,%1:%0" \
: "=d" (__n.n32[0]), "=d" (__upper) \
: "d" (base), "0" (__n.n32[0])); \
: "=d" (__n.n32[0]), "=d" (__upper) \
: "d" (__base), "0" (__n.n32[0])); \
} \
asm ("divu.l %2,%1:%0" \
: "=d" (__n.n32[1]), "=d" (__rem) \
: "d" (base), "1" (__upper), "0" (__n.n32[1])); \
: "=d" (__n.n32[1]), "=d" (__rem) \
: "d" (__base), "1" (__upper), "0" (__n.n32[1])); \
(n) = __n.n64; \
__rem; \
})

26
arch/mips/math-emu/cp1emu.c
View File

@ -803,6 +803,32 @@ static int isBranchInstr(struct pt_regs *regs, struct mm_decoded_insn dec_insn,
dec_insn.next_pc_inc;
return 1;
break;
#ifdef CONFIG_CPU_CAVIUM_OCTEON
case lwc2_op: /* This is bbit0 on Octeon */
if ((regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt)) == 0)
*contpc = regs->cp0_epc + 4 + (insn.i_format.simmediate << 2);
else
*contpc = regs->cp0_epc + 8;
return 1;
case ldc2_op: /* This is bbit032 on Octeon */
if ((regs->regs[insn.i_format.rs] & (1ull<<(insn.i_format.rt + 32))) == 0)
*contpc = regs->cp0_epc + 4 + (insn.i_format.simmediate << 2);
else
*contpc = regs->cp0_epc + 8;
return 1;
case swc2_op: /* This is bbit1 on Octeon */
if (regs->regs[insn.i_format.rs] & (1ull<<insn.i_format.rt))
*contpc = regs->cp0_epc + 4 + (insn.i_format.simmediate << 2);
else
*contpc = regs->cp0_epc + 8;
return 1;
case sdc2_op: /* This is bbit132 on Octeon */
if (regs->regs[insn.i_format.rs] & (1ull<<(insn.i_format.rt + 32)))
*contpc = regs->cp0_epc + 4 + (insn.i_format.simmediate << 2);
else
*contpc = regs->cp0_epc + 8;
return 1;
#endif
case cop0_op:
case cop1_op:
case cop2_op:

2
arch/s390/include/asm/tlb.h
View File

@ -32,7 +32,7 @@ struct mmu_gather {
struct mm_struct *mm;
struct mmu_table_batch *batch;
unsigned int fullmm;
unsigned long start, unsigned long end;
unsigned long start, end;
};
struct mmu_table_batch {

4
arch/x86/include/asm/bootparam_utils.h
View File

@ -35,9 +35,9 @@ static void sanitize_boot_params(struct boot_params *boot_params)
*/
if (boot_params->sentinel) {
/* fields in boot_params are left uninitialized, clear them */
memset(&boot_params->olpc_ofw_header, 0,
memset(&boot_params->ext_ramdisk_image, 0,
(char *)&boot_params->efi_info -
(char *)&boot_params->olpc_ofw_header);
(char *)&boot_params->ext_ramdisk_image);
memset(&boot_params->kbd_status, 0,
(char *)&boot_params->hdr -
(char *)&boot_params->kbd_status);

2
arch/x86/include/asm/microcode_amd.h
View File

@ -59,7 +59,7 @@ static inline u16 find_equiv_id(struct equiv_cpu_entry *equiv_cpu_table,
extern int __apply_microcode_amd(struct microcode_amd *mc_amd);
extern int apply_microcode_amd(int cpu);
extern enum ucode_state load_microcode_amd(int cpu, const u8 *data, size_t size);
extern enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size);
#ifdef CONFIG_MICROCODE_AMD_EARLY
#ifdef CONFIG_X86_32

20
arch/x86/kernel/cpu/amd.c
View File

@ -512,7 +512,7 @@ static void early_init_amd(struct cpuinfo_x86 *c)
static const int amd_erratum_383[];
static const int amd_erratum_400[];
static bool cpu_has_amd_erratum(const int *erratum);
static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum);
static void init_amd(struct cpuinfo_x86 *c)
{
@ -729,11 +729,11 @@ static void init_amd(struct cpuinfo_x86 *c)
value &= ~(1ULL << 24);
wrmsrl_safe(MSR_AMD64_BU_CFG2, value);
if (cpu_has_amd_erratum(amd_erratum_383))
if (cpu_has_amd_erratum(c, amd_erratum_383))
set_cpu_bug(c, X86_BUG_AMD_TLB_MMATCH);
}
if (cpu_has_amd_erratum(amd_erratum_400))
if (cpu_has_amd_erratum(c, amd_erratum_400))
set_cpu_bug(c, X86_BUG_AMD_APIC_C1E);
rdmsr_safe(MSR_AMD64_PATCH_LEVEL, &c->microcode, &dummy);
@ -878,23 +878,13 @@ static const int amd_erratum_400[] =
static const int amd_erratum_383[] =
AMD_OSVW_ERRATUM(3, AMD_MODEL_RANGE(0x10, 0, 0, 0xff, 0xf));
static bool cpu_has_amd_erratum(const int *erratum)
static bool cpu_has_amd_erratum(struct cpuinfo_x86 *cpu, const int *erratum)
{
struct cpuinfo_x86 *cpu = __this_cpu_ptr(&cpu_info);
int osvw_id = *erratum++;
u32 range;
u32 ms;
/*
* If called early enough that current_cpu_data hasn't been initialized
* yet, fall back to boot_cpu_data.
*/
if (cpu->x86 == 0)
cpu = &boot_cpu_data;
if (cpu->x86_vendor != X86_VENDOR_AMD)
return false;
if (osvw_id >= 0 && osvw_id < 65536 &&
cpu_has(cpu, X86_FEATURE_OSVW)) {
u64 osvw_len;

27
arch/x86/kernel/microcode_amd.c
View File

@ -145,10 +145,9 @@ static int collect_cpu_info_amd(int cpu, struct cpu_signature *csig)
return 0;
}
static unsigned int verify_patch_size(int cpu, u32 patch_size,
static unsigned int verify_patch_size(u8 family, u32 patch_size,
unsigned int size)
{
struct cpuinfo_x86 *c = &cpu_data(cpu);
u32 max_size;
#define F1XH_MPB_MAX_SIZE 2048
@ -156,7 +155,7 @@ static unsigned int verify_patch_size(int cpu, u32 patch_size,
#define F15H_MPB_MAX_SIZE 4096
#define F16H_MPB_MAX_SIZE 3458
switch (c->x86) {
switch (family) {
case 0x14:
max_size = F14H_MPB_MAX_SIZE;
break;
@ -277,9 +276,8 @@ static void cleanup(void)
* driver cannot continue functioning normally. In such cases, we tear
* down everything we've used up so far and exit.
*/
static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover)
static int verify_and_add_patch(u8 family, u8 *fw, unsigned int leftover)
{
struct cpuinfo_x86 *c = &cpu_data(cpu);
struct microcode_header_amd *mc_hdr;
struct ucode_patch *patch;
unsigned int patch_size, crnt_size, ret;
@ -299,7 +297,7 @@ static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover)
/* check if patch is for the current family */
proc_fam = ((proc_fam >> 8) & 0xf) + ((proc_fam >> 20) & 0xff);
if (proc_fam != c->x86)
if (proc_fam != family)
return crnt_size;
if (mc_hdr->nb_dev_id || mc_hdr->sb_dev_id) {
@ -308,7 +306,7 @@ static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover)
return crnt_size;
}
ret = verify_patch_size(cpu, patch_size, leftover);
ret = verify_patch_size(family, patch_size, leftover);
if (!ret) {
pr_err("Patch-ID 0x%08x: size mismatch.\n", mc_hdr->patch_id);
return crnt_size;
@ -339,7 +337,8 @@ static int verify_and_add_patch(unsigned int cpu, u8 *fw, unsigned int leftover)
return crnt_size;
}
static enum ucode_state __load_microcode_amd(int cpu, const u8 *data, size_t size)
static enum ucode_state __load_microcode_amd(u8 family, const u8 *data,
size_t size)
{
enum ucode_state ret = UCODE_ERROR;
unsigned int leftover;
@ -362,7 +361,7 @@ static enum ucode_state __load_microcode_amd(int cpu, const u8 *data, size_t siz
}
while (leftover) {
crnt_size = verify_and_add_patch(cpu, fw, leftover);
crnt_size = verify_and_add_patch(family, fw, leftover);
if (crnt_size < 0)
return ret;
@ -373,22 +372,22 @@ static enum ucode_state __load_microcode_amd(int cpu, const u8 *data, size_t siz
return UCODE_OK;
}
enum ucode_state load_microcode_amd(int cpu, const u8 *data, size_t size)
enum ucode_state load_microcode_amd(u8 family, const u8 *data, size_t size)
{
enum ucode_state ret;
/* free old equiv table */
free_equiv_cpu_table();
ret = __load_microcode_amd(cpu, data, size);
ret = __load_microcode_amd(family, data, size);
if (ret != UCODE_OK)
cleanup();
#if defined(CONFIG_MICROCODE_AMD_EARLY) && defined(CONFIG_X86_32)
/* save BSP's matching patch for early load */
if (cpu_data(cpu).cpu_index == boot_cpu_data.cpu_index) {
struct ucode_patch *p = find_patch(cpu);
if (cpu_data(smp_processor_id()).cpu_index == boot_cpu_data.cpu_index) {
struct ucode_patch *p = find_patch(smp_processor_id());
if (p) {
memset(amd_bsp_mpb, 0, MPB_MAX_SIZE);
memcpy(amd_bsp_mpb, p->data, min_t(u32, ksize(p->data),
@ -441,7 +440,7 @@ static enum ucode_state request_microcode_amd(int cpu, struct device *device,
goto fw_release;
}
ret = load_microcode_amd(cpu, fw->data, fw->size);
ret = load_microcode_amd(c->x86, fw->data, fw->size);
fw_release:
release_firmware(fw);

27
arch/x86/kernel/microcode_amd_early.c
View File

@ -238,25 +238,17 @@ static void __init collect_cpu_sig_on_bsp(void *arg)
uci->cpu_sig.sig = cpuid_eax(0x00000001);
}
#else
static void collect_cpu_info_amd_early(struct cpuinfo_x86 *c,
struct ucode_cpu_info *uci)
void load_ucode_amd_ap(void)
{
unsigned int cpu = smp_processor_id();
struct ucode_cpu_info *uci = ucode_cpu_info + cpu;
u32 rev, eax;
rdmsr(MSR_AMD64_PATCH_LEVEL, rev, eax);
eax = cpuid_eax(0x00000001);
uci->cpu_sig.sig = eax;
uci->cpu_sig.rev = rev;
c->microcode = rev;
c->x86 = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
}
void load_ucode_amd_ap(void)
{
unsigned int cpu = smp_processor_id();
collect_cpu_info_amd_early(&cpu_data(cpu), ucode_cpu_info + cpu);
uci->cpu_sig.sig = eax;
if (cpu && !ucode_loaded) {
void *ucode;
@ -265,8 +257,10 @@ void load_ucode_amd_ap(void)
return;
ucode = (void *)(initrd_start + ucode_offset);
if (load_microcode_amd(0, ucode, ucode_size) != UCODE_OK)
eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
if (load_microcode_amd(eax, ucode, ucode_size) != UCODE_OK)
return;
ucode_loaded = true;
}
@ -278,6 +272,8 @@ int __init save_microcode_in_initrd_amd(void)
{
enum ucode_state ret;
void *ucode;
u32 eax;
#ifdef CONFIG_X86_32
unsigned int bsp = boot_cpu_data.cpu_index;
struct ucode_cpu_info *uci = ucode_cpu_info + bsp;
@ -293,7 +289,10 @@ int __init save_microcode_in_initrd_amd(void)
return 0;
ucode = (void *)(initrd_start + ucode_offset);
ret = load_microcode_amd(0, ucode, ucode_size);
eax = cpuid_eax(0x00000001);
eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
ret = load_microcode_amd(eax, ucode, ucode_size);
if (ret != UCODE_OK)
return -EINVAL;

2
arch/x86/kernel/sys_x86_64.c
View File

@ -101,7 +101,7 @@ static void find_start_end(unsigned long flags, unsigned long *begin,
*begin = new_begin;
}
} else {
*begin = mmap_legacy_base();
*begin = current->mm->mmap_legacy_base;
*end = TASK_SIZE;
}
}

8
arch/x86/mm/mmap.c
View File

@ -98,7 +98,7 @@ static unsigned long mmap_base(void)
* Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64
* does, but not when emulating X86_32
*/
unsigned long mmap_legacy_base(void)
static unsigned long mmap_legacy_base(void)
{
if (mmap_is_ia32())
return TASK_UNMAPPED_BASE;
@ -112,11 +112,13 @@ unsigned long mmap_legacy_base(void)
*/
void arch_pick_mmap_layout(struct mm_struct *mm)
{
mm->mmap_legacy_base = mmap_legacy_base();
mm->mmap_base = mmap_base();
if (mmap_is_legacy()) {
mm->mmap_base = mmap_legacy_base();
mm->mmap_base = mm->mmap_legacy_base;
mm->get_unmapped_area = arch_get_unmapped_area;
} else {
mm->mmap_base = mmap_base();
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
}
}

22
arch/x86/xen/setup.c
View File

@ -313,6 +313,17 @@ static void xen_align_and_add_e820_region(u64 start, u64 size, int type)
e820_add_region(start, end - start, type);
}
void xen_ignore_unusable(struct e820entry *list, size_t map_size)
{
struct e820entry *entry;
unsigned int i;
for (i = 0, entry = list; i < map_size; i++, entry++) {
if (entry->type == E820_UNUSABLE)
entry->type = E820_RAM;
}
}
/**
* machine_specific_memory_setup - Hook for machine specific memory setup.
**/
@ -353,6 +364,17 @@ char * __init xen_memory_setup(void)
}
BUG_ON(rc);
/*
* Xen won't allow a 1:1 mapping to be created to UNUSABLE
* regions, so if we're using the machine memory map leave the
* region as RAM as it is in the pseudo-physical map.
*
* UNUSABLE regions in domUs are not handled and will need
* a patch in the future.
*/
if (xen_initial_domain())
xen_ignore_unusable(map, memmap.nr_entries);
/* Make sure the Xen-supplied memory map is well-ordered. */
sanitize_e820_map(map, memmap.nr_entries, &memmap.nr_entries);

11
arch/x86/xen/smp.c
View File

@ -694,8 +694,15 @@ static void __init xen_hvm_smp_prepare_cpus(unsigned int max_cpus)
static int xen_hvm_cpu_up(unsigned int cpu, struct task_struct *tidle)
{
int rc;
rc = native_cpu_up(cpu, tidle);
WARN_ON (xen_smp_intr_init(cpu));
/*
* xen_smp_intr_init() needs to run before native_cpu_up()
* so that IPI vectors are set up on the booting CPU before
* it is marked online in native_cpu_up().
*/
rc = xen_smp_intr_init(cpu);
WARN_ON(rc);
if (!rc)
rc = native_cpu_up(cpu, tidle);
return rc;
}

8
drivers/gpu/drm/i915/i915_gem_dmabuf.c
View File

@ -85,9 +85,17 @@ static void i915_gem_unmap_dma_buf(struct dma_buf_attachment *attachment,
struct sg_table *sg,
enum dma_data_direction dir)
{
struct drm_i915_gem_object *obj = attachment->dmabuf->priv;
mutex_lock(&obj->base.dev->struct_mutex);
dma_unmap_sg(attachment->dev, sg->sgl, sg->nents, dir);
sg_free_table(sg);
kfree(sg);
i915_gem_object_unpin_pages(obj);
mutex_unlock(&obj->base.dev->struct_mutex);
}
static void i915_gem_dmabuf_release(struct dma_buf *dma_buf)

86
drivers/gpu/drm/i915/intel_display.c
View File

@ -10042,6 +10042,8 @@ struct intel_display_error_state {
u32 power_well_driver;
int num_transcoders;
struct intel_cursor_error_state {
u32 control;
u32 position;
@ -10050,16 +10052,7 @@ struct intel_display_error_state {
} cursor[I915_MAX_PIPES];
struct intel_pipe_error_state {
enum transcoder cpu_transcoder;
u32 conf;
u32 source;
u32 htotal;
u32 hblank;
u32 hsync;
u32 vtotal;
u32 vblank;
u32 vsync;
} pipe[I915_MAX_PIPES];
struct intel_plane_error_state {
@ -10071,6 +10064,19 @@ struct intel_display_error_state {
u32 surface;
u32 tile_offset;
} plane[I915_MAX_PIPES];
struct intel_transcoder_error_state {
enum transcoder cpu_transcoder;
u32 conf;
u32 htotal;
u32 hblank;
u32 hsync;
u32 vtotal;
u32 vblank;
u32 vsync;
} transcoder[4];
};
struct intel_display_error_state *
@ -10078,9 +10084,17 @@ intel_display_capture_error_state(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
struct intel_display_error_state *error;
enum transcoder cpu_transcoder;
int transcoders[] = {
TRANSCODER_A,
TRANSCODER_B,
TRANSCODER_C,
TRANSCODER_EDP,
};
int i;
if (INTEL_INFO(dev)->num_pipes == 0)
return NULL;
error = kmalloc(sizeof(*error), GFP_ATOMIC);
if (error == NULL)
return NULL;
@ -10089,9 +10103,6 @@ intel_display_capture_error_state(struct drm_device *dev)
error->power_well_driver = I915_READ(HSW_PWR_WELL_DRIVER);
for_each_pipe(i) {
cpu_transcoder = intel_pipe_to_cpu_transcoder(dev_priv, i);
error->pipe[i].cpu_transcoder = cpu_transcoder;
if (INTEL_INFO(dev)->gen <= 6 || IS_VALLEYVIEW(dev)) {
error->cursor[i].control = I915_READ(CURCNTR(i));
error->cursor[i].position = I915_READ(CURPOS(i));
@ -10115,14 +10126,25 @@ intel_display_capture_error_state(struct drm_device *dev)
error->plane[i].tile_offset = I915_READ(DSPTILEOFF(i));
}
error->pipe[i].conf = I915_READ(PIPECONF(cpu_transcoder));
error->pipe[i].source = I915_READ(PIPESRC(i));
error->pipe[i].htotal = I915_READ(HTOTAL(cpu_transcoder));
error->pipe[i].hblank = I915_READ(HBLANK(cpu_transcoder));
error->pipe[i].hsync = I915_READ(HSYNC(cpu_transcoder));
error->pipe[i].vtotal = I915_READ(VTOTAL(cpu_transcoder));
error->pipe[i].vblank = I915_READ(VBLANK(cpu_transcoder));
error->pipe[i].vsync = I915_READ(VSYNC(cpu_transcoder));
}
error->num_transcoders = INTEL_INFO(dev)->num_pipes;
if (HAS_DDI(dev_priv->dev))
error->num_transcoders++; /* Account for eDP. */
for (i = 0; i < error->num_transcoders; i++) {
enum transcoder cpu_transcoder = transcoders[i];
error->transcoder[i].cpu_transcoder = cpu_transcoder;
error->transcoder[i].conf = I915_READ(PIPECONF(cpu_transcoder));
error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder));
error->transcoder[i].hblank = I915_READ(HBLANK(cpu_transcoder));
error->transcoder[i].hsync = I915_READ(HSYNC(cpu_transcoder));
error->transcoder[i].vtotal = I915_READ(VTOTAL(cpu_transcoder));
error->transcoder[i].vblank = I915_READ(VBLANK(cpu_transcoder));
error->transcoder[i].vsync = I915_READ(VSYNC(cpu_transcoder));
}
/* In the code above we read the registers without checking if the power
@ -10144,22 +10166,16 @@ intel_display_print_error_state(struct drm_i915_error_state_buf *m,
{
int i;
if (!error)
return;
err_printf(m, "Num Pipes: %d\n", INTEL_INFO(dev)->num_pipes);
if (HAS_POWER_WELL(dev))
err_printf(m, "PWR_WELL_CTL2: %08x\n",
error->power_well_driver);
for_each_pipe(i) {
err_printf(m, "Pipe [%d]:\n", i);
err_printf(m, " CPU transcoder: %c\n",
transcoder_name(error->pipe[i].cpu_transcoder));
err_printf(m, " CONF: %08x\n", error->pipe[i].conf);
err_printf(m, " SRC: %08x\n", error->pipe[i].source);
err_printf(m, " HTOTAL: %08x\n", error->pipe[i].htotal);
err_printf(m, " HBLANK: %08x\n", error->pipe[i].hblank);
err_printf(m, " HSYNC: %08x\n", error->pipe[i].hsync);
err_printf(m, " VTOTAL: %08x\n", error->pipe[i].vtotal);
err_printf(m, " VBLANK: %08x\n", error->pipe[i].vblank);
err_printf(m, " VSYNC: %08x\n", error->pipe[i].vsync);
err_printf(m, "Plane [%d]:\n", i);
err_printf(m, " CNTR: %08x\n", error->plane[i].control);
@ -10180,5 +10196,17 @@ intel_display_print_error_state(struct drm_i915_error_state_buf *m,
err_printf(m, " POS: %08x\n", error->cursor[i].position);
err_printf(m, " BASE: %08x\n", error->cursor[i].base);
}
for (i = 0; i < error->num_transcoders; i++) {
err_printf(m, " CPU transcoder: %c\n",
transcoder_name(error->transcoder[i].cpu_transcoder));
err_printf(m, " CONF: %08x\n", error->transcoder[i].conf);
err_printf(m, " HTOTAL: %08x\n", error->transcoder[i].htotal);
err_printf(m, " HBLANK: %08x\n", error->transcoder[i].hblank);
err_printf(m, " HSYNC: %08x\n", error->transcoder[i].hsync);
err_printf(m, " VTOTAL: %08x\n", error->transcoder[i].vtotal);
err_printf(m, " VBLANK: %08x\n", error->transcoder[i].vblank);
err_printf(m, " VSYNC: %08x\n", error->transcoder[i].vsync);
}
}
#endif

2
drivers/gpu/drm/radeon/radeon.h
View File

@ -2163,7 +2163,7 @@ void cik_mm_wdoorbell(struct radeon_device *rdev, u32 offset, u32 v);
WREG32(reg, tmp_); \
} while (0)
#define WREG32_AND(reg, and) WREG32_P(reg, 0, and)
#define WREG32_OR(reg, or) WREG32_P(reg, or, ~or)
#define WREG32_OR(reg, or) WREG32_P(reg, or, ~(or))
#define WREG32_PLL_P(reg, val, mask) \
do { \
uint32_t tmp_ = RREG32_PLL(reg); \

8
drivers/gpu/drm/radeon/radeon_uvd.c
View File

@ -356,6 +356,14 @@ static int radeon_uvd_cs_msg(struct radeon_cs_parser *p, struct radeon_bo *bo,
return -EINVAL;
}
if (bo->tbo.sync_obj) {
r = radeon_fence_wait(bo->tbo.sync_obj, false);
if (r) {
DRM_ERROR("Failed waiting for UVD message (%d)!\n", r);
return r;
}
}
r = radeon_bo_kmap(bo, &ptr);
if (r) {
DRM_ERROR("Failed mapping the UVD message (%d)!\n", r);

12
drivers/gpu/drm/radeon/rv770.c
View File

@ -744,10 +744,10 @@ static void rv770_init_golden_registers(struct radeon_device *rdev)
(const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
radeon_program_register_sequence(rdev,
rv730_golden_registers,
(const u32)ARRAY_SIZE(rv770_golden_registers));
(const u32)ARRAY_SIZE(rv730_golden_registers));
radeon_program_register_sequence(rdev,
rv730_mgcg_init,
(const u32)ARRAY_SIZE(rv770_mgcg_init));
(const u32)ARRAY_SIZE(rv730_mgcg_init));
break;
case CHIP_RV710:
radeon_program_register_sequence(rdev,
@ -758,18 +758,18 @@ static void rv770_init_golden_registers(struct radeon_device *rdev)
(const u32)ARRAY_SIZE(r7xx_golden_dyn_gpr_registers));
radeon_program_register_sequence(rdev,
rv710_golden_registers,
(const u32)ARRAY_SIZE(rv770_golden_registers));
(const u32)ARRAY_SIZE(rv710_golden_registers));
radeon_program_register_sequence(rdev,
rv710_mgcg_init,
(const u32)ARRAY_SIZE(rv770_mgcg_init));
(const u32)ARRAY_SIZE(rv710_mgcg_init));
break;
case CHIP_RV740:
radeon_program_register_sequence(rdev,
rv740_golden_registers,
(const u32)ARRAY_SIZE(rv770_golden_registers));
(const u32)ARRAY_SIZE(rv740_golden_registers));
radeon_program_register_sequence(rdev,
rv740_mgcg_init,
(const u32)ARRAY_SIZE(rv770_mgcg_init));
(const u32)ARRAY_SIZE(rv740_mgcg_init));
break;
default:
break;

16
drivers/md/dm-cache-policy-mq.c
View File

@ -959,23 +959,21 @@ out:
return r;
}
static void remove_mapping(struct mq_policy *mq, dm_oblock_t oblock)
static void mq_remove_mapping(struct dm_cache_policy *p, dm_oblock_t oblock)
{
struct entry *e = hash_lookup(mq, oblock);
struct mq_policy *mq = to_mq_policy(p);
struct entry *e;
mutex_lock(&mq->lock);
e = hash_lookup(mq, oblock);
BUG_ON(!e || !e->in_cache);
del(mq, e);
e->in_cache = false;
push(mq, e);
}
static void mq_remove_mapping(struct dm_cache_policy *p, dm_oblock_t oblock)
{
struct mq_policy *mq = to_mq_policy(p);
mutex_lock(&mq->lock);
remove_mapping(mq, oblock);
mutex_unlock(&mq->lock);
}

2
drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
View File

@ -1333,6 +1333,8 @@ enum {
BNX2X_SP_RTNL_VFPF_CHANNEL_DOWN,
BNX2X_SP_RTNL_RX_MODE,
BNX2X_SP_RTNL_HYPERVISOR_VLAN,
BNX2X_SP_RTNL_TX_STOP,
BNX2X_SP_RTNL_TX_RESUME,
};
struct bnx2x_prev_path_list {

49
drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.c
View File

@ -30,10 +30,8 @@
#include "bnx2x_dcb.h"
/* forward declarations of dcbx related functions */
static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp);
static void bnx2x_pfc_set_pfc(struct bnx2x *bp);
static void bnx2x_dcbx_update_ets_params(struct bnx2x *bp);
static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp);
static void bnx2x_dcbx_get_ets_pri_pg_tbl(struct bnx2x *bp,
u32 *set_configuration_ets_pg,
u32 *pri_pg_tbl);
@ -425,30 +423,52 @@ static void bnx2x_pfc_set_pfc(struct bnx2x *bp)
bnx2x_pfc_clear(bp);
}
static int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp)
int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp)
{
struct bnx2x_func_state_params func_params = {NULL};
int rc;
func_params.f_obj = &bp->func_obj;
func_params.cmd = BNX2X_F_CMD_TX_STOP;
__set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
__set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
DP(BNX2X_MSG_DCB, "STOP TRAFFIC\n");
return bnx2x_func_state_change(bp, &func_params);
rc = bnx2x_func_state_change(bp, &func_params);
if (rc) {
BNX2X_ERR("Unable to hold traffic for HW configuration\n");
bnx2x_panic();
}
return rc;
}
static int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp)
int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp)
{
struct bnx2x_func_state_params func_params = {NULL};
struct bnx2x_func_tx_start_params *tx_params =
&func_params.params.tx_start;
int rc;
func_params.f_obj = &bp->func_obj;
func_params.cmd = BNX2X_F_CMD_TX_START;
__set_bit(RAMROD_COMP_WAIT, &func_params.ramrod_flags);
__set_bit(RAMROD_RETRY, &func_params.ramrod_flags);
bnx2x_dcbx_fw_struct(bp, tx_params);
DP(BNX2X_MSG_DCB, "START TRAFFIC\n");
return bnx2x_func_state_change(bp, &func_params);
rc = bnx2x_func_state_change(bp, &func_params);
if (rc) {
BNX2X_ERR("Unable to resume traffic after HW configuration\n");
bnx2x_panic();
}
return rc;
}
static void bnx2x_dcbx_2cos_limit_update_ets_config(struct bnx2x *bp)
@ -744,7 +764,9 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
if (IS_MF(bp))
bnx2x_link_sync_notify(bp);
bnx2x_dcbx_stop_hw_tx(bp);
set_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state);
schedule_delayed_work(&bp->sp_rtnl_task, 0);
return;
}
@ -757,7 +779,9 @@ void bnx2x_dcbx_set_params(struct bnx2x *bp, u32 state)
/* ets may affect cmng configuration: reinit it in hw */
bnx2x_set_local_cmng(bp);
bnx2x_dcbx_resume_hw_tx(bp);
set_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state);
schedule_delayed_work(&bp->sp_rtnl_task, 0);
return;
case BNX2X_DCBX_STATE_TX_RELEASED:
@ -2367,21 +2391,24 @@ static u8 bnx2x_dcbnl_get_featcfg(struct net_device *netdev, int featid,
case DCB_FEATCFG_ATTR_PG:
if (bp->dcbx_local_feat.ets.enabled)
*flags |= DCB_FEATCFG_ENABLE;
if (bp->dcbx_error & DCBX_LOCAL_ETS_ERROR)
if (bp->dcbx_error & (DCBX_LOCAL_ETS_ERROR |
DCBX_REMOTE_MIB_ERROR))
*flags |= DCB_FEATCFG_ERROR;
break;
case DCB_FEATCFG_ATTR_PFC:
if (bp->dcbx_local_feat.pfc.enabled)
*flags |= DCB_FEATCFG_ENABLE;
if (bp->dcbx_error & (DCBX_LOCAL_PFC_ERROR |
DCBX_LOCAL_PFC_MISMATCH))
DCBX_LOCAL_PFC_MISMATCH |
DCBX_REMOTE_MIB_ERROR))
*flags |= DCB_FEATCFG_ERROR;
break;
case DCB_FEATCFG_ATTR_APP:
if (bp->dcbx_local_feat.app.enabled)
*flags |= DCB_FEATCFG_ENABLE;
if (bp->dcbx_error & (DCBX_LOCAL_APP_ERROR |
DCBX_LOCAL_APP_MISMATCH))
DCBX_LOCAL_APP_MISMATCH |
DCBX_REMOTE_MIB_ERROR))
*flags |= DCB_FEATCFG_ERROR;
break;
default:

3
drivers/net/ethernet/broadcom/bnx2x/bnx2x_dcb.h
View File

@ -199,4 +199,7 @@ extern const struct dcbnl_rtnl_ops bnx2x_dcbnl_ops;
int bnx2x_dcbnl_update_applist(struct bnx2x *bp, bool delall);
#endif /* BCM_DCBNL */
int bnx2x_dcbx_stop_hw_tx(struct bnx2x *bp);
int bnx2x_dcbx_resume_hw_tx(struct bnx2x *bp);
#endif /* BNX2X_DCB_H */

45
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
View File

@ -2261,6 +2261,23 @@ static void bnx2x_set_requested_fc(struct bnx2x *bp)
bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH;
}
static void bnx2x_init_dropless_fc(struct bnx2x *bp)
{
u32 pause_enabled = 0;
if (!CHIP_IS_E1(bp) && bp->dropless_fc && bp->link_vars.link_up) {
if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
pause_enabled = 1;
REG_WR(bp, BAR_USTRORM_INTMEM +
USTORM_ETH_PAUSE_ENABLED_OFFSET(BP_PORT(bp)),
pause_enabled);
}
DP(NETIF_MSG_IFUP | NETIF_MSG_LINK, "dropless_fc is %s\n",
pause_enabled ? "enabled" : "disabled");
}
int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
{
int rc, cfx_idx = bnx2x_get_link_cfg_idx(bp);
@ -2294,6 +2311,8 @@ int bnx2x_initial_phy_init(struct bnx2x *bp, int load_mode)
bnx2x_release_phy_lock(bp);
bnx2x_init_dropless_fc(bp);
bnx2x_calc_fc_adv(bp);
if (bp->link_vars.link_up) {
@ -2315,6 +2334,8 @@ void bnx2x_link_set(struct bnx2x *bp)
bnx2x_phy_init(&bp->link_params, &bp->link_vars);
bnx2x_release_phy_lock(bp);
bnx2x_init_dropless_fc(bp);
bnx2x_calc_fc_adv(bp);
} else
BNX2X_ERR("Bootcode is missing - can not set link\n");
@ -2556,21 +2577,10 @@ static void bnx2x_link_attn(struct bnx2x *bp)
bnx2x_link_update(&bp->link_params, &bp->link_vars);
bnx2x_init_dropless_fc(bp);
if (bp->link_vars.link_up) {
/* dropless flow control */
if (!CHIP_IS_E1(bp) && bp->dropless_fc) {
int port = BP_PORT(bp);
u32 pause_enabled = 0;
if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX)
pause_enabled = 1;
REG_WR(bp, BAR_USTRORM_INTMEM +
USTORM_ETH_PAUSE_ENABLED_OFFSET(port),
pause_enabled);
}
if (bp->link_vars.mac_type != MAC_TYPE_EMAC) {
struct host_port_stats *pstats;
@ -9643,6 +9653,12 @@ sp_rtnl_not_reset:
&bp->sp_rtnl_state))
bnx2x_pf_set_vfs_vlan(bp);
if (test_and_clear_bit(BNX2X_SP_RTNL_TX_STOP, &bp->sp_rtnl_state))
bnx2x_dcbx_stop_hw_tx(bp);
if (test_and_clear_bit(BNX2X_SP_RTNL_TX_RESUME, &bp->sp_rtnl_state))
bnx2x_dcbx_resume_hw_tx(bp);
/* work which needs rtnl lock not-taken (as it takes the lock itself and
* can be called from other contexts as well)
*/
@ -11145,6 +11161,9 @@ static bool bnx2x_get_dropless_info(struct bnx2x *bp)
int tmp;
u32 cfg;
if (IS_VF(bp))
return 0;
if (IS_MF(bp) && !CHIP_IS_E1x(bp)) {
/* Take function: tmp = func */
tmp = BP_ABS_FUNC(bp);

56
drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
View File

@ -1755,11 +1755,8 @@ void bnx2x_iov_init_dq(struct bnx2x *bp)
void bnx2x_iov_init_dmae(struct bnx2x *bp)
{
DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF");
if (!IS_SRIOV(bp))
return;
REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
if (pci_find_ext_capability(bp->pdev, PCI_EXT_CAP_ID_SRIOV))
REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0);
}
static int bnx2x_vf_bus(struct bnx2x *bp, int vfid)
@ -3092,8 +3089,9 @@ void bnx2x_disable_sriov(struct bnx2x *bp)
pci_disable_sriov(bp->pdev);
}
static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx,
struct bnx2x_virtf *vf)
static int bnx2x_vf_ndo_prep(struct bnx2x *bp, int vfidx,
struct bnx2x_virtf **vf,
struct pf_vf_bulletin_content **bulletin)
{
if (bp->state != BNX2X_STATE_OPEN) {
BNX2X_ERR("vf ndo called though PF is down\n");
@ -3111,12 +3109,22 @@ static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx,
return -EINVAL;
}
if (!vf) {
/* init members */
*vf = BP_VF(bp, vfidx);
*bulletin = BP_VF_BULLETIN(bp, vfidx);
if (!*vf) {
BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n",
vfidx);
return -EINVAL;
}
if (!*bulletin) {
BNX2X_ERR("vf ndo called but Bulletin Board struct is null. vfidx was %d\n",
vfidx);
return -EINVAL;
}
return 0;
}
@ -3124,17 +3132,19 @@ int bnx2x_get_vf_config(struct net_device *dev, int vfidx,
struct ifla_vf_info *ivi)
{
struct bnx2x *bp = netdev_priv(dev);
struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
struct bnx2x_vlan_mac_obj *vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj);
struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
struct bnx2x_virtf *vf = NULL;
struct pf_vf_bulletin_content *bulletin = NULL;
struct bnx2x_vlan_mac_obj *mac_obj;
struct bnx2x_vlan_mac_obj *vlan_obj;
int rc;
/* sanity */
rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
/* sanity and init */
rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
if (rc)
return rc;
if (!mac_obj || !vlan_obj || !bulletin) {
mac_obj = &bnx2x_vfq(vf, 0, mac_obj);
vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj);
if (!mac_obj || !vlan_obj) {
BNX2X_ERR("VF partially initialized\n");
return -EINVAL;
}
@ -3191,11 +3201,11 @@ int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac)
{
struct bnx2x *bp = netdev_priv(dev);
int rc, q_logical_state;
struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
struct bnx2x_virtf *vf = NULL;
struct pf_vf_bulletin_content *bulletin = NULL;
/* sanity */
rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
/* sanity and init */
rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
if (rc)
return rc;
if (!is_valid_ether_addr(mac)) {
@ -3257,11 +3267,11 @@ int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos)
{
struct bnx2x *bp = netdev_priv(dev);
int rc, q_logical_state;
struct bnx2x_virtf *vf = BP_VF(bp, vfidx);
struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx);
struct bnx2x_virtf *vf = NULL;
struct pf_vf_bulletin_content *bulletin = NULL;
/* sanity */
rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf);
/* sanity and init */
rc = bnx2x_vf_ndo_prep(bp, vfidx, &vf, &bulletin);
if (rc)
return rc;

2
drivers/net/ethernet/emulex/benet/be_main.c
View File

@ -2556,8 +2556,8 @@ static int be_close(struct net_device *netdev)
/* Wait for all pending tx completions to arrive so that
* all tx skbs are freed.
*/
be_tx_compl_clean(adapter);
netif_tx_disable(netdev);
be_tx_compl_clean(adapter);
be_rx_qs_destroy(adapter);

2
drivers/net/ethernet/realtek/r8169.c
View File

@ -7089,7 +7089,7 @@ rtl_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
RTL_W8(Cfg9346, Cfg9346_Unlock);
RTL_W8(Config1, RTL_R8(Config1) | PMEnable);
RTL_W8(Config5, RTL_R8(Config5) & PMEStatus);
RTL_W8(Config5, RTL_R8(Config5) & (BWF | MWF | UWF | LanWake | PMEStatus));
if ((RTL_R8(Config3) & (LinkUp | MagicPacket)) != 0)
tp->features |= RTL_FEATURE_WOL;
if ((RTL_R8(Config5) & (UWF | BWF | MWF)) != 0)

6
drivers/net/irda/via-ircc.c
View File

@ -210,8 +210,7 @@ static int via_init_one(struct pci_dev *pcidev, const struct pci_device_id *id)
pci_write_config_byte(pcidev,0x42,(bTmp | 0xf0));
pci_write_config_byte(pcidev,0x5a,0xc0);
WriteLPCReg(0x28, 0x70 );
if (via_ircc_open(pcidev, &info, 0x3076) == 0)
rc=0;
rc = via_ircc_open(pcidev, &info, 0x3076);
} else
rc = -ENODEV; //IR not turn on
} else { //Not VT1211
@ -249,8 +248,7 @@ static int via_init_one(struct pci_dev *pcidev, const struct pci_device_id *id)
info.irq=FirIRQ;
info.dma=FirDRQ1;
info.dma2=FirDRQ0;
if (via_ircc_open(pcidev, &info, 0x3096) == 0)
rc=0;
rc = via_ircc_open(pcidev, &info, 0x3096);
} else
rc = -ENODEV; //IR not turn on !!!!!
}//Not VT1211

18
drivers/net/macvtap.c
View File

@ -68,6 +68,8 @@ static const struct proto_ops macvtap_socket_ops;
#define TUN_OFFLOADS (NETIF_F_HW_CSUM | NETIF_F_TSO_ECN | NETIF_F_TSO | \
NETIF_F_TSO6 | NETIF_F_UFO)
#define RX_OFFLOADS (NETIF_F_GRO | NETIF_F_LRO)
#define TAP_FEATURES (NETIF_F_GSO | NETIF_F_SG)
/*
* RCU usage:
* The macvtap_queue and the macvlan_dev are loosely coupled, the
@ -278,7 +280,8 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb)
{
struct macvlan_dev *vlan = netdev_priv(dev);
struct macvtap_queue *q = macvtap_get_queue(dev, skb);
netdev_features_t features;
netdev_features_t features = TAP_FEATURES;
if (!q)
goto drop;
@ -287,9 +290,11 @@ static int macvtap_forward(struct net_device *dev, struct sk_buff *skb)
skb->dev = dev;
/* Apply the forward feature mask so that we perform segmentation
* according to users wishes.
* according to users wishes. This only works if VNET_HDR is
* enabled.
*/
features = netif_skb_features(skb) & vlan->tap_features;
if (q->flags & IFF_VNET_HDR)
features |= vlan->tap_features;
if (netif_needs_gso(skb, features)) {
struct sk_buff *segs = __skb_gso_segment(skb, features, false);
@ -961,8 +966,7 @@ static int set_offload(struct macvtap_queue *q, unsigned long arg)
/* tap_features are the same as features on tun/tap and
* reflect user expectations.
*/
vlan->tap_features = vlan->dev->features &
(feature_mask | ~TUN_OFFLOADS);
vlan->tap_features = feature_mask;
vlan->set_features = features;
netdev_update_features(vlan->dev);
@ -1058,10 +1062,6 @@ static long macvtap_ioctl(struct file *file, unsigned int cmd,
TUN_F_TSO_ECN | TUN_F_UFO))
return -EINVAL;
/* TODO: only accept frames with the features that
got enabled for forwarded frames */
if (!(q->flags & IFF_VNET_HDR))
return -EINVAL;
rtnl_lock();
ret = set_offload(q, arg);
rtnl_unlock();

4
drivers/net/phy/realtek.c
View File

@ -23,7 +23,7 @@
#define RTL821x_INER_INIT 0x6400
#define RTL821x_INSR 0x13
#define RTL8211E_INER_LINK_STAT 0x10
#define RTL8211E_INER_LINK_STATUS 0x400
MODULE_DESCRIPTION("Realtek PHY driver");
MODULE_AUTHOR("Johnson Leung");
@ -57,7 +57,7 @@ static int rtl8211e_config_intr(struct phy_device *phydev)
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
err = phy_write(phydev, RTL821x_INER,
RTL8211E_INER_LINK_STAT);
RTL8211E_INER_LINK_STATUS);
else
err = phy_write(phydev, RTL821x_INER, 0);

15
drivers/net/usb/hso.c
View File

@ -2816,13 +2816,16 @@ exit:
static int hso_get_config_data(struct usb_interface *interface)
{
struct usb_device *usbdev = interface_to_usbdev(interface);
u8 config_data[17];
u8 *config_data = kmalloc(17, GFP_KERNEL);
u32 if_num = interface->altsetting->desc.bInterfaceNumber;
s32 result;
if (!config_data)
return -ENOMEM;
if (usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0),
0x86, 0xC0, 0, 0, config_data, 17,
USB_CTRL_SET_TIMEOUT) != 0x11) {
kfree(config_data);
return -EIO;
}
@ -2873,6 +2876,7 @@ static int hso_get_config_data(struct usb_interface *interface)
if (config_data[16] & 0x1)
result |= HSO_INFO_CRC_BUG;
kfree(config_data);
return result;
}
@ -2886,6 +2890,11 @@ static int hso_probe(struct usb_interface *interface,
struct hso_shared_int *shared_int;
struct hso_device *tmp_dev = NULL;
if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
dev_err(&interface->dev, "Not our interface\n");
return -ENODEV;
}
if_num = interface->altsetting->desc.bInterfaceNumber;
/* Get the interface/port specification from either driver_info or from
@ -2895,10 +2904,6 @@ static int hso_probe(struct usb_interface *interface,
else
port_spec = hso_get_config_data(interface);
if (interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
dev_err(&interface->dev, "Not our interface\n");
return -ENODEV;
}
/* Check if we need to switch to alt interfaces prior to port
* configuration */
if (interface->num_altsetting > 1)

4
drivers/net/wireless/hostap/hostap_ioctl.c
View File

@ -523,9 +523,9 @@ static int prism2_ioctl_giwaplist(struct net_device *dev,
data->length = prism2_ap_get_sta_qual(local, addr, qual, IW_MAX_AP, 1);
memcpy(extra, &addr, sizeof(struct sockaddr) * data->length);
memcpy(extra, addr, sizeof(struct sockaddr) * data->length);
data->flags = 1; /* has quality information */
memcpy(extra + sizeof(struct sockaddr) * data->length, &qual,
memcpy(extra + sizeof(struct sockaddr) * data->length, qual,
sizeof(struct iw_quality) * data->length);
kfree(addr);

5
drivers/net/wireless/iwlwifi/dvm/mac80211.c
View File

@ -1024,7 +1024,10 @@ void iwl_chswitch_done(struct iwl_priv *priv, bool is_success)
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
return;
if (test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
if (!test_and_clear_bit(STATUS_CHANNEL_SWITCH_PENDING, &priv->status))
return;
if (ctx->vif)
ieee80211_chswitch_done(ctx->vif, is_success);
}

2
drivers/net/wireless/iwlwifi/iwl-prph.h
View File

@ -97,8 +97,6 @@
#define APMG_PCIDEV_STT_VAL_L1_ACT_DIS (0x00000800)
#define APMG_RTC_INT_STT_RFKILL (0x10000000)
/* Device system time */
#define DEVICE_SYSTEM_TIME_REG 0xA0206C

33
drivers/net/wireless/iwlwifi/mvm/time-event.c
View File

@ -138,6 +138,20 @@ static void iwl_mvm_roc_finished(struct iwl_mvm *mvm)
schedule_work(&mvm->roc_done_wk);
}
static bool iwl_mvm_te_check_disconnect(struct iwl_mvm *mvm,
struct ieee80211_vif *vif,
const char *errmsg)
{
if (vif->type != NL80211_IFTYPE_STATION)
return false;
if (vif->bss_conf.assoc && vif->bss_conf.dtim_period)
return false;
if (errmsg)
IWL_ERR(mvm, "%s\n", errmsg);
ieee80211_connection_loss(vif);
return true;
}
/*
* Handles a FW notification for an event that is known to the driver.
*
@ -163,8 +177,13 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
* P2P Device discoveribility, while there are other higher priority
* events in the system).
*/
WARN_ONCE(!le32_to_cpu(notif->status),
"Failed to schedule time event\n");
if (WARN_ONCE(!le32_to_cpu(notif->status),
"Failed to schedule time event\n")) {
if (iwl_mvm_te_check_disconnect(mvm, te_data->vif, NULL)) {
iwl_mvm_te_clear_data(mvm, te_data);
return;
}
}
if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_END) {
IWL_DEBUG_TE(mvm,
@ -180,14 +199,8 @@ static void iwl_mvm_te_handle_notif(struct iwl_mvm *mvm,
* By now, we should have finished association
* and know the dtim period.
*/
if (te_data->vif->type == NL80211_IFTYPE_STATION &&
(!te_data->vif->bss_conf.assoc ||
!te_data->vif->bss_conf.dtim_period)) {
IWL_ERR(mvm,
"No assocation and the time event is over already...\n");
ieee80211_connection_loss(te_data->vif);
}
iwl_mvm_te_check_disconnect(mvm, te_data->vif,
"No assocation and the time event is over already...");
iwl_mvm_te_clear_data(mvm, te_data);
} else if (le32_to_cpu(notif->action) & TE_NOTIF_HOST_EVENT_START) {
te_data->running = true;

8
drivers/net/wireless/iwlwifi/pcie/rx.c
View File

@ -888,14 +888,6 @@ irqreturn_t iwl_pcie_irq_handler(int irq, void *dev_id)
iwl_op_mode_hw_rf_kill(trans->op_mode, hw_rfkill);
if (hw_rfkill) {
/*
* Clear the interrupt in APMG if the NIC is going down.
* Note that when the NIC exits RFkill (else branch), we
* can't access prph and the NIC will be reset in
* start_hw anyway.
*/
iwl_write_prph(trans, APMG_RTC_INT_STT_REG,
APMG_RTC_INT_STT_RFKILL);
set_bit(STATUS_RFKILL, &trans_pcie->status);
if (test_and_clear_bit(STATUS_HCMD_ACTIVE,
&trans_pcie->status))

5
drivers/net/wireless/iwlwifi/pcie/trans.c
View File

@ -1416,6 +1416,11 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev,
goto out_no_pci;
}
/* W/A - seems to solve weird behavior. We need to remove this if we
* don't want to stay in L1 all the time. This wastes a lot of power */
pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
PCIE_LINK_STATE_CLKPM);
pci_set_master(pdev);
err = pci_set_dma_mask(pdev, DMA_BIT_MASK(36));

4
drivers/net/wireless/zd1201.c
View File

@ -98,10 +98,12 @@ static int zd1201_fw_upload(struct usb_device *dev, int apfw)
goto exit;
err = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0), 0x4,
USB_DIR_IN | 0x40, 0,0, &ret, sizeof(ret), ZD1201_FW_TIMEOUT);
USB_DIR_IN | 0x40, 0, 0, buf, sizeof(ret), ZD1201_FW_TIMEOUT);
if (err < 0)
goto exit;
memcpy(&ret, buf, sizeof(ret));
if (ret & 0x80) {
err = -EIO;
goto exit;

2
drivers/of/fdt.c
View File

@ -392,6 +392,8 @@ static void __unflatten_device_tree(struct boot_param_header *blob,
mem = (unsigned long)
dt_alloc(size + 4, __alignof__(struct device_node));
memset((void *)mem, 0, size);
((__be32 *)mem)[size / 4] = cpu_to_be32(0xdeadbeef);
pr_debug(" unflattening %lx...\n", mem);

66
drivers/pinctrl/pinctrl-sunxi.c
View File

@ -278,6 +278,7 @@ static int sunxi_pconf_group_set(struct pinctrl_dev *pctldev,
{
struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
struct sunxi_pinctrl_group *g = &pctl->groups[group];
unsigned long flags;
u32 val, mask;
u16 strength;
u8 dlevel;
@ -295,22 +296,35 @@ static int sunxi_pconf_group_set(struct pinctrl_dev *pctldev,
* 3: 40mA
*/
dlevel = strength / 10 - 1;
spin_lock_irqsave(&pctl->lock, flags);
val = readl(pctl->membase + sunxi_dlevel_reg(g->pin));
mask = DLEVEL_PINS_MASK << sunxi_dlevel_offset(g->pin);
writel((val & ~mask) | dlevel << sunxi_dlevel_offset(g->pin),
pctl->membase + sunxi_dlevel_reg(g->pin));
spin_unlock_irqrestore(&pctl->lock, flags);
break;
case PIN_CONFIG_BIAS_PULL_UP:
spin_lock_irqsave(&pctl->lock, flags);
val = readl(pctl->membase + sunxi_pull_reg(g->pin));
mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin);
writel((val & ~mask) | 1 << sunxi_pull_offset(g->pin),
pctl->membase + sunxi_pull_reg(g->pin));
spin_unlock_irqrestore(&pctl->lock, flags);
break;
case PIN_CONFIG_BIAS_PULL_DOWN:
spin_lock_irqsave(&pctl->lock, flags);
val = readl(pctl->membase + sunxi_pull_reg(g->pin));
mask = PULL_PINS_MASK << sunxi_pull_offset(g->pin);
writel((val & ~mask) | 2 << sunxi_pull_offset(g->pin),
pctl->membase + sunxi_pull_reg(g->pin));
spin_unlock_irqrestore(&pctl->lock, flags);
break;
default:
break;
@ -360,11 +374,17 @@ static void sunxi_pmx_set(struct pinctrl_dev *pctldev,
u8 config)
{
struct sunxi_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev);
unsigned long flags;
u32 val, mask;
u32 val = readl(pctl->membase + sunxi_mux_reg(pin));
u32 mask = MUX_PINS_MASK << sunxi_mux_offset(pin);
spin_lock_irqsave(&pctl->lock, flags);
val = readl(pctl->membase + sunxi_mux_reg(pin));
mask = MUX_PINS_MASK << sunxi_mux_offset(pin);
writel((val & ~mask) | config << sunxi_mux_offset(pin),
pctl->membase + sunxi_mux_reg(pin));
spin_unlock_irqrestore(&pctl->lock, flags);
}
static int sunxi_pmx_enable(struct pinctrl_dev *pctldev,
@ -464,8 +484,21 @@ static void sunxi_pinctrl_gpio_set(struct gpio_chip *chip,
struct sunxi_pinctrl *pctl = dev_get_drvdata(chip->dev);
u32 reg = sunxi_data_reg(offset);
u8 index = sunxi_data_offset(offset);
unsigned long flags;
u32 regval;
writel((value & DATA_PINS_MASK) << index, pctl->membase + reg);
spin_lock_irqsave(&pctl->lock, flags);
regval = readl(pctl->membase + reg);
if (value)
regval |= BIT(index);
else
regval &= ~(BIT(index));
writel(regval, pctl->membase + reg);
spin_unlock_irqrestore(&pctl->lock, flags);
}
static int sunxi_pinctrl_gpio_of_xlate(struct gpio_chip *gc,
@ -526,6 +559,8 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d,
struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d);
u32 reg = sunxi_irq_cfg_reg(d->hwirq);
u8 index = sunxi_irq_cfg_offset(d->hwirq);
unsigned long flags;
u32 regval;
u8 mode;
switch (type) {
@ -548,7 +583,13 @@ static int sunxi_pinctrl_irq_set_type(struct irq_data *d,
return -EINVAL;
}
writel((mode & IRQ_CFG_IRQ_MASK) << index, pctl->membase + reg);
spin_lock_irqsave(&pctl->lock, flags);
regval = readl(pctl->membase + reg);
regval &= ~IRQ_CFG_IRQ_MASK;
writel(regval | (mode << index), pctl->membase + reg);
spin_unlock_irqrestore(&pctl->lock, flags);
return 0;
}
@ -560,14 +601,19 @@ static void sunxi_pinctrl_irq_mask_ack(struct irq_data *d)
u8 ctrl_idx = sunxi_irq_ctrl_offset(d->hwirq);
u32 status_reg = sunxi_irq_status_reg(d->hwirq);
u8 status_idx = sunxi_irq_status_offset(d->hwirq);
unsigned long flags;
u32 val;
spin_lock_irqsave(&pctl->lock, flags);
/* Mask the IRQ */
val = readl(pctl->membase + ctrl_reg);
writel(val & ~(1 << ctrl_idx), pctl->membase + ctrl_reg);
/* Clear the IRQ */
writel(1 << status_idx, pctl->membase + status_reg);
spin_unlock_irqrestore(&pctl->lock, flags);
}
static void sunxi_pinctrl_irq_mask(struct irq_data *d)
@ -575,11 +621,16 @@ static void sunxi_pinctrl_irq_mask(struct irq_data *d)
struct sunxi_pinctrl *pctl = irq_data_get_irq_chip_data(d);
u32 reg = sunxi_irq_ctrl_reg(d->hwirq);
u8 idx = sunxi_irq_ctrl_offset(d->hwirq);
unsigned long flags;
u32 val;
spin_lock_irqsave(&pctl->lock, flags);
/* Mask the IRQ */
val = readl(pctl->membase + reg);
writel(val & ~(1 << idx), pctl->membase + reg);
spin_unlock_irqrestore(&pctl->lock, flags);
}
static void sunxi_pinctrl_irq_unmask(struct irq_data *d)
@ -588,6 +639,7 @@ static void sunxi_pinctrl_irq_unmask(struct irq_data *d)
struct sunxi_desc_function *func;
u32 reg = sunxi_irq_ctrl_reg(d->hwirq);
u8 idx = sunxi_irq_ctrl_offset(d->hwirq);
unsigned long flags;
u32 val;
func = sunxi_pinctrl_desc_find_function_by_pin(pctl,
@ -597,9 +649,13 @@ static void sunxi_pinctrl_irq_unmask(struct irq_data *d)
/* Change muxing to INT mode */
sunxi_pmx_set(pctl->pctl_dev, pctl->irq_array[d->hwirq], func->muxval);
spin_lock_irqsave(&pctl->lock, flags);
/* Unmask the IRQ */
val = readl(pctl->membase + reg);
writel(val | (1 << idx), pctl->membase + reg);
spin_unlock_irqrestore(&pctl->lock, flags);
}
static struct irq_chip sunxi_pinctrl_irq_chip = {
@ -752,6 +808,8 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev)
return -ENOMEM;
platform_set_drvdata(pdev, pctl);
spin_lock_init(&pctl->lock);
pctl->membase = of_iomap(node, 0);
if (!pctl->membase)
return -ENOMEM;

2
drivers/pinctrl/pinctrl-sunxi.h
View File

@ -14,6 +14,7 @@
#define __PINCTRL_SUNXI_H
#include <linux/kernel.h>
#include <linux/spinlock.h>
#define PA_BASE 0
#define PB_BASE 32
@ -407,6 +408,7 @@ struct sunxi_pinctrl {
unsigned ngroups;
int irq;
int irq_array[SUNXI_IRQ_NUMBER];
spinlock_t lock;
struct pinctrl_dev *pctl_dev;
};

2
drivers/platform/olpc/olpc-ec.c
View File

@ -330,7 +330,7 @@ static int __init olpc_ec_init_module(void)
return platform_driver_register(&olpc_ec_plat_driver);
}
module_init(olpc_ec_init_module);
arch_initcall(olpc_ec_init_module);
MODULE_AUTHOR("Andres Salomon <dilinger@queued.net>");
MODULE_LICENSE("GPL");

16
drivers/platform/x86/hp-wmi.c
View File

@ -53,7 +53,6 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
#define HPWMI_ALS_QUERY 0x3
#define HPWMI_HARDWARE_QUERY 0x4
#define HPWMI_WIRELESS_QUERY 0x5
#define HPWMI_BIOS_QUERY 0x9
#define HPWMI_HOTKEY_QUERY 0xc
#define HPWMI_WIRELESS2_QUERY 0x1b
#define HPWMI_POSTCODEERROR_QUERY 0x2a
@ -293,19 +292,6 @@ static int hp_wmi_tablet_state(void)
return (state & 0x4) ? 1 : 0;
}
static int hp_wmi_enable_hotkeys(void)
{
int ret;
int query = 0x6e;
ret = hp_wmi_perform_query(HPWMI_BIOS_QUERY, 1, &query, sizeof(query),
0);
if (ret)
return -EINVAL;
return 0;
}
static int hp_wmi_set_block(void *data, bool blocked)
{
enum hp_wmi_radio r = (enum hp_wmi_radio) data;
@ -1009,8 +995,6 @@ static int __init hp_wmi_init(void)
err = hp_wmi_input_setup();
if (err)
return err;
hp_wmi_enable_hotkeys();
}
if (bios_capable) {

8
drivers/platform/x86/sony-laptop.c
View File

@ -2440,7 +2440,10 @@ static ssize_t sony_nc_gfx_switch_status_show(struct device *dev,
if (pos < 0)
return pos;
return snprintf(buffer, PAGE_SIZE, "%s\n", pos ? "speed" : "stamina");
return snprintf(buffer, PAGE_SIZE, "%s\n",
pos == SPEED ? "speed" :
pos == STAMINA ? "stamina" :
pos == AUTO ? "auto" : "unknown");
}
static int sony_nc_gfx_switch_setup(struct platform_device *pd,
@ -4320,7 +4323,8 @@ static int sony_pic_add(struct acpi_device *device)
goto err_free_resources;
}
if (sonypi_compat_init())
result = sonypi_compat_init();
if (result)
goto err_remove_input;
/* request io port */

13
drivers/xen/events.c
View File

@ -348,7 +348,7 @@ static void init_evtchn_cpu_bindings(void)
for_each_possible_cpu(i)
memset(per_cpu(cpu_evtchn_mask, i),
(i == 0) ? ~0 : 0, sizeof(*per_cpu(cpu_evtchn_mask, i)));
(i == 0) ? ~0 : 0, NR_EVENT_CHANNELS/8);
}
static inline void clear_evtchn(int port)
@ -1493,8 +1493,10 @@ void rebind_evtchn_irq(int evtchn, int irq)
/* Rebind an evtchn so that it gets delivered to a specific cpu */
static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
{
struct shared_info *s = HYPERVISOR_shared_info;
struct evtchn_bind_vcpu bind_vcpu;
int evtchn = evtchn_from_irq(irq);
int masked;
if (!VALID_EVTCHN(evtchn))
return -1;
@ -1510,6 +1512,12 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
bind_vcpu.port = evtchn;
bind_vcpu.vcpu = tcpu;
/*
* Mask the event while changing the VCPU binding to prevent
* it being delivered on an unexpected VCPU.
*/
masked = sync_test_and_set_bit(evtchn, BM(s->evtchn_mask));
/*
* If this fails, it usually just indicates that we're dealing with a
* virq or IPI channel, which don't actually need to be rebound. Ignore
@ -1518,6 +1526,9 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
if (HYPERVISOR_event_channel_op(EVTCHNOP_bind_vcpu, &bind_vcpu) >= 0)
bind_evtchn_to_cpu(evtchn, tcpu);
if (!masked)
unmask_evtchn(evtchn);
return 0;
}

1
fs/ext4/ext4.h
View File

@ -2086,6 +2086,7 @@ extern int ext4_sync_inode(handle_t *, struct inode *);
extern void ext4_dirty_inode(struct inode *, int);
extern int ext4_change_inode_journal_flag(struct inode *, int);
extern int ext4_get_inode_loc(struct inode *, struct ext4_iloc *);
extern int ext4_inode_attach_jinode(struct inode *inode);
extern int ext4_can_truncate(struct inode *inode);
extern void ext4_truncate(struct inode *);
extern int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length);

8
fs/ext4/ext4_jbd2.c
View File

@ -255,10 +255,10 @@ int __ext4_handle_dirty_metadata(const char *where, unsigned int line,
set_buffer_prio(bh);
if (ext4_handle_valid(handle)) {
err = jbd2_journal_dirty_metadata(handle, bh);
if (err) {
/* Errors can only happen if there is a bug */
handle->h_err = err;
__ext4_journal_stop(where, line, handle);
/* Errors can only happen if there is a bug */
if (WARN_ON_ONCE(err)) {
ext4_journal_abort_handle(where, line, __func__, bh,
handle, err);
}
} else {
if (inode)

21
fs/ext4/file.c
View File

@ -219,7 +219,6 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
{
struct super_block *sb = inode->i_sb;
struct ext4_sb_info *sbi = EXT4_SB(inode->i_sb);
struct ext4_inode_info *ei = EXT4_I(inode);
struct vfsmount *mnt = filp->f_path.mnt;
struct path path;
char buf[64], *cp;
@ -259,22 +258,10 @@ static int ext4_file_open(struct inode * inode, struct file * filp)
* Set up the jbd2_inode if we are opening the inode for
* writing and the journal is present
*/
if (sbi->s_journal && !ei->jinode && (filp->f_mode & FMODE_WRITE)) {
struct jbd2_inode *jinode = jbd2_alloc_inode(GFP_KERNEL);
spin_lock(&inode->i_lock);
if (!ei->jinode) {
if (!jinode) {
spin_unlock(&inode->i_lock);
return -ENOMEM;
}
ei->jinode = jinode;
jbd2_journal_init_jbd_inode(ei->jinode, inode);
jinode = NULL;
}
spin_unlock(&inode->i_lock);
if (unlikely(jinode != NULL))
jbd2_free_inode(jinode);
if (filp->f_mode & FMODE_WRITE) {
int ret = ext4_inode_attach_jinode(inode);
if (ret < 0)
return ret;
}
return dquot_file_open(inode, filp);
}

43
fs/ext4/inode.c
View File

@ -3533,6 +3533,18 @@ int ext4_punch_hole(struct inode *inode, loff_t offset, loff_t length)
offset;
}
if (offset & (sb->s_blocksize - 1) ||
(offset + length) & (sb->s_blocksize - 1)) {
/*
* Attach jinode to inode for jbd2 if we do any zeroing of
* partial block
*/
ret = ext4_inode_attach_jinode(inode);
if (ret < 0)
goto out_mutex;
}
first_block_offset = round_up(offset, sb->s_blocksize);
last_block_offset = round_down((offset + length), sb->s_blocksize) - 1;
@ -3601,6 +3613,31 @@ out_mutex:
return ret;
}
int ext4_inode_attach_jinode(struct inode *inode)
{
struct ext4_inode_info *ei = EXT4_I(inode);
struct jbd2_inode *jinode;
if (ei->jinode || !EXT4_SB(inode->i_sb)->s_journal)
return 0;
jinode = jbd2_alloc_inode(GFP_KERNEL);
spin_lock(&inode->i_lock);
if (!ei->jinode) {
if (!jinode) {
spin_unlock(&inode->i_lock);
return -ENOMEM;
}
ei->jinode = jinode;
jbd2_journal_init_jbd_inode(ei->jinode, inode);
jinode = NULL;
}
spin_unlock(&inode->i_lock);
if (unlikely(jinode != NULL))
jbd2_free_inode(jinode);
return 0;
}
/*
* ext4_truncate()
*
@ -3661,6 +3698,12 @@ void ext4_truncate(struct inode *inode)
return;
}
/* If we zero-out tail of the page, we have to create jinode for jbd2 */
if (inode->i_size & (inode->i_sb->s_blocksize - 1)) {
if (ext4_inode_attach_jinode(inode) < 0)
return;
}
if (ext4_test_inode_flag(inode, EXT4_INODE_EXTENTS))
credits = ext4_writepage_trans_blocks(inode);
else

8
fs/gfs2/glock.c
View File

@ -1838,14 +1838,14 @@ int __init gfs2_glock_init(void)
glock_workqueue = alloc_workqueue("glock_workqueue", WQ_MEM_RECLAIM |
WQ_HIGHPRI | WQ_FREEZABLE, 0);
if (IS_ERR(glock_workqueue))
return PTR_ERR(glock_workqueue);
if (!glock_workqueue)
return -ENOMEM;
gfs2_delete_workqueue = alloc_workqueue("delete_workqueue",
WQ_MEM_RECLAIM | WQ_FREEZABLE,
0);
if (IS_ERR(gfs2_delete_workqueue)) {
if (!gfs2_delete_workqueue) {
destroy_workqueue(glock_workqueue);
return PTR_ERR(gfs2_delete_workqueue);
return -ENOMEM;
}
register_shrinker(&glock_shrinker);

18
fs/gfs2/glops.c
View File

@ -47,7 +47,8 @@ static void gfs2_ail_error(struct gfs2_glock *gl, const struct buffer_head *bh)
* None of the buffers should be dirty, locked, or pinned.
*/
static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync,
unsigned int nr_revokes)
{
struct gfs2_sbd *sdp = gl->gl_sbd;
struct list_head *head = &gl->gl_ail_list;
@ -57,7 +58,9 @@ static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
gfs2_log_lock(sdp);
spin_lock(&sdp->sd_ail_lock);
list_for_each_entry_safe(bd, tmp, head, bd_ail_gl_list) {
list_for_each_entry_safe_reverse(bd, tmp, head, bd_ail_gl_list) {
if (nr_revokes == 0)
break;
bh = bd->bd_bh;
if (bh->b_state & b_state) {
if (fsync)
@ -65,6 +68,7 @@ static void __gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
gfs2_ail_error(gl, bh);
}
gfs2_trans_add_revoke(sdp, bd);
nr_revokes--;
}
GLOCK_BUG_ON(gl, !fsync && atomic_read(&gl->gl_ail_count));
spin_unlock(&sdp->sd_ail_lock);
@ -91,7 +95,7 @@ static void gfs2_ail_empty_gl(struct gfs2_glock *gl)
WARN_ON_ONCE(current->journal_info);
current->journal_info = &tr;
__gfs2_ail_flush(gl, 0);
__gfs2_ail_flush(gl, 0, tr.tr_revokes);
gfs2_trans_end(sdp);
gfs2_log_flush(sdp, NULL);
@ -101,15 +105,19 @@ void gfs2_ail_flush(struct gfs2_glock *gl, bool fsync)
{
struct gfs2_sbd *sdp = gl->gl_sbd;
unsigned int revokes = atomic_read(&gl->gl_ail_count);
unsigned int max_revokes = (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_log_descriptor)) / sizeof(u64);
int ret;
if (!revokes)
return;
ret = gfs2_trans_begin(sdp, 0, revokes);
while (revokes > max_revokes)
max_revokes += (sdp->sd_sb.sb_bsize - sizeof(struct gfs2_meta_header)) / sizeof(u64);
ret = gfs2_trans_begin(sdp, 0, max_revokes);
if (ret)
return;
__gfs2_ail_flush(gl, fsync);
__gfs2_ail_flush(gl, fsync, max_revokes);
gfs2_trans_end(sdp);
gfs2_log_flush(sdp, NULL);
}

6
fs/gfs2/inode.c
View File

@ -594,7 +594,7 @@ static int gfs2_create_inode(struct inode *dir, struct dentry *dentry,
}
gfs2_glock_dq_uninit(ghs);
if (IS_ERR(d))
return PTR_RET(d);
return PTR_ERR(d);
return error;
} else if (error != -ENOENT) {
goto fail_gunlock;
@ -1750,6 +1750,10 @@ static ssize_t gfs2_getxattr(struct dentry *dentry, const char *name,
struct gfs2_holder gh;
int ret;
/* For selinux during lookup */
if (gfs2_glock_is_locked_by_me(ip->i_gl))
return generic_getxattr(dentry, name, data, size);
gfs2_holder_init(ip->i_gl, LM_ST_SHARED, LM_FLAG_ANY, &gh);
ret = gfs2_glock_nq(&gh);
if (ret == 0) {

2
fs/gfs2/main.c
View File

@ -155,7 +155,7 @@ static int __init init_gfs2_fs(void)
goto fail_wq;
gfs2_control_wq = alloc_workqueue("gfs2_control",
WQ_NON_REENTRANT | WQ_UNBOUND | WQ_FREEZABLE, 0);
WQ_UNBOUND | WQ_FREEZABLE, 0);
if (!gfs2_control_wq)
goto fail_recovery;

5
fs/nilfs2/segbuf.c
View File

@ -345,8 +345,7 @@ static void nilfs_end_bio_write(struct bio *bio, int err)
if (err == -EOPNOTSUPP) {
set_bit(BIO_EOPNOTSUPP, &bio->bi_flags);
bio_put(bio);
/* to be detected by submit_seg_bio() */
/* to be detected by nilfs_segbuf_submit_bio() */
}
if (!uptodate)
@ -377,12 +376,12 @@ static int nilfs_segbuf_submit_bio(struct nilfs_segment_buffer *segbuf,
bio->bi_private = segbuf;
bio_get(bio);
submit_bio(mode, bio);
segbuf->sb_nbio++;
if (bio_flagged(bio, BIO_EOPNOTSUPP)) {
bio_put(bio);
err = -EOPNOTSUPP;
goto failed;
}
segbuf->sb_nbio++;
bio_put(bio);
wi->bio = NULL;

2
fs/proc/generic.c
View File

@ -271,7 +271,7 @@ int proc_readdir_de(struct proc_dir_entry *de, struct file *file,
de = next;
} while (de);
spin_unlock(&proc_subdir_lock);
return 0;
return 1;
}
int proc_readdir(struct file *file, struct dir_context *ctx)

4
fs/proc/root.c
View File

@ -205,7 +205,9 @@ static struct dentry *proc_root_lookup(struct inode * dir, struct dentry * dentr
static int proc_root_readdir(struct file *file, struct dir_context *ctx)
{
if (ctx->pos < FIRST_PROCESS_ENTRY) {
proc_readdir(file, ctx);
int error = proc_readdir(file, ctx);
if (unlikely(error <= 0))
return error;
ctx->pos = FIRST_PROCESS_ENTRY;
}

36
include/linux/inetdevice.h
View File

@ -5,47 +5,13 @@
#include <linux/bitmap.h>
#include <linux/if.h>
#include <linux/ip.h>
#include <linux/netdevice.h>
#include <linux/rcupdate.h>
#include <linux/timer.h>
#include <linux/sysctl.h>
#include <linux/rtnetlink.h>
enum
{
IPV4_DEVCONF_FORWARDING=1,
IPV4_DEVCONF_MC_FORWARDING,
IPV4_DEVCONF_PROXY_ARP,
IPV4_DEVCONF_ACCEPT_REDIRECTS,
IPV4_DEVCONF_SECURE_REDIRECTS,
IPV4_DEVCONF_SEND_REDIRECTS,
IPV4_DEVCONF_SHARED_MEDIA,
IPV4_DEVCONF_RP_FILTER,
IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE,
IPV4_DEVCONF_BOOTP_RELAY,
IPV4_DEVCONF_LOG_MARTIANS,
IPV4_DEVCONF_TAG,
IPV4_DEVCONF_ARPFILTER,
IPV4_DEVCONF_MEDIUM_ID,
IPV4_DEVCONF_FORCE_IGMP_VERSION,
IPV4_DEVCONF_IGMPV2_UNSOLICITED_REPORT_INTERVAL,
IPV4_DEVCONF_IGMPV3_UNSOLICITED_REPORT_INTERVAL,
IPV4_DEVCONF_NOXFRM,
IPV4_DEVCONF_NOPOLICY,
IPV4_DEVCONF_ARP_ANNOUNCE,
IPV4_DEVCONF_ARP_IGNORE,
IPV4_DEVCONF_PROMOTE_SECONDARIES,
IPV4_DEVCONF_ARP_ACCEPT,
IPV4_DEVCONF_ARP_NOTIFY,
IPV4_DEVCONF_ACCEPT_LOCAL,
IPV4_DEVCONF_SRC_VMARK,
IPV4_DEVCONF_PROXY_ARP_PVLAN,
IPV4_DEVCONF_ROUTE_LOCALNET,
__IPV4_DEVCONF_MAX
};
#define IPV4_DEVCONF_MAX (__IPV4_DEVCONF_MAX - 1)
struct ipv4_devconf {
void *sysctl;
int data[IPV4_DEVCONF_MAX];

1
include/linux/ipv6.h
View File

@ -103,6 +103,7 @@ struct inet6_skb_parm {
#define IP6SKB_FORWARDED 2
#define IP6SKB_REROUTED 4
#define IP6SKB_ROUTERALERT 8
#define IP6SKB_FRAGMENTED 16
};
#define IP6CB(skb) ((struct inet6_skb_parm*)((skb)->cb))

1
include/linux/mm_types.h
View File

@ -332,6 +332,7 @@ struct mm_struct {
unsigned long pgoff, unsigned long flags);
#endif
unsigned long mmap_base; /* base of mmap area */
unsigned long mmap_legacy_base; /* base of mmap area in bottom-up allocations */
unsigned long task_size; /* size of task vm space */
unsigned long highest_vm_end; /* highest vma end address */
pgd_t * pgd;

1
include/linux/sched.h
View File

@ -314,7 +314,6 @@ struct nsproxy;
struct user_namespace;
#ifdef CONFIG_MMU
extern unsigned long mmap_legacy_base(void);
extern void arch_pick_mmap_layout(struct mm_struct *mm);
extern unsigned long
arch_get_unmapped_area(struct file *, unsigned long, unsigned long,

2
include/net/ip6_route.h
View File

@ -135,6 +135,8 @@ extern void ip6_update_pmtu(struct sk_buff *skb, struct net *net, __be32 mtu,
extern void ip6_sk_update_pmtu(struct sk_buff *skb, struct sock *sk,
__be32 mtu);
extern void ip6_redirect(struct sk_buff *skb, struct net *net, int oif, u32 mark);
extern void ip6_redirect_no_header(struct sk_buff *skb, struct net *net, int oif,
u32 mark);
extern void ip6_sk_redirect(struct sk_buff *skb, struct sock *sk);
struct netlink_callback;

36
include/uapi/linux/ip.h
View File

@ -133,4 +133,40 @@ struct ip_beet_phdr {
__u8 reserved;
};
/* index values for the variables in ipv4_devconf */
enum
{
IPV4_DEVCONF_FORWARDING=1,
IPV4_DEVCONF_MC_FORWARDING,
IPV4_DEVCONF_PROXY_ARP,
IPV4_DEVCONF_ACCEPT_REDIRECTS,
IPV4_DEVCONF_SECURE_REDIRECTS,
IPV4_DEVCONF_SEND_REDIRECTS,
IPV4_DEVCONF_SHARED_MEDIA,
IPV4_DEVCONF_RP_FILTER,
IPV4_DEVCONF_ACCEPT_SOURCE_ROUTE,
IPV4_DEVCONF_BOOTP_RELAY,
IPV4_DEVCONF_LOG_MARTIANS,
IPV4_DEVCONF_TAG,
IPV4_DEVCONF_ARPFILTER,
IPV4_DEVCONF_MEDIUM_ID,
IPV4_DEVCONF_NOXFRM,
IPV4_DEVCONF_NOPOLICY,
IPV4_DEVCONF_FORCE_IGMP_VERSION,
IPV4_DEVCONF_ARP_ANNOUNCE,
IPV4_DEVCONF_ARP_IGNORE,
IPV4_DEVCONF_PROMOTE_SECONDARIES,
IPV4_DEVCONF_ARP_ACCEPT,
IPV4_DEVCONF_ARP_NOTIFY,
IPV4_DEVCONF_ACCEPT_LOCAL,
IPV4_DEVCONF_SRC_VMARK,
IPV4_DEVCONF_PROXY_ARP_PVLAN,
IPV4_DEVCONF_ROUTE_LOCALNET,
IPV4_DEVCONF_IGMPV2_UNSOLICITED_REPORT_INTERVAL,
IPV4_DEVCONF_IGMPV3_UNSOLICITED_REPORT_INTERVAL,
__IPV4_DEVCONF_MAX
};
#define IPV4_DEVCONF_MAX (__IPV4_DEVCONF_MAX - 1)
#endif /* _UAPI_LINUX_IP_H */

2
init/Kconfig
View File

@ -955,7 +955,7 @@ config MEMCG_SWAP_ENABLED
Memory Resource Controller Swap Extension comes with its price in
a bigger memory consumption. General purpose distribution kernels
which want to enable the feature but keep it disabled by default
and let the user enable it by swapaccount boot command line
and let the user enable it by swapaccount=1 boot command line
parameter should have this option unselected.
For those who want to have the feature enabled by default should
select this option (if, for some reason, they need to disable it

6
kernel/cpuset.c
View File

@ -1608,11 +1608,13 @@ static int cpuset_write_u64(struct cgroup *cgrp, struct cftype *cft, u64 val)
{
struct cpuset *cs = cgroup_cs(cgrp);
cpuset_filetype_t type = cft->private;
int retval = -ENODEV;
int retval = 0;
mutex_lock(&cpuset_mutex);
if (!is_cpuset_online(cs))
if (!is_cpuset_online(cs)) {
retval = -ENODEV;
goto out_unlock;
}
switch (type) {
case FILE_CPU_EXCLUSIVE:

2
kernel/time/sched_clock.c
View File

@ -121,7 +121,7 @@ void __init setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate)
BUG_ON(bits > 32);
WARN_ON(!irqs_disabled());
read_sched_clock = read;
sched_clock_mask = (1 << bits) - 1;
sched_clock_mask = (1ULL << bits) - 1;
cd.rate = rate;
/* calculate the mult/shift to convert counter ticks to ns. */

Some files were not shown because too many files have changed in this diff Show More